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                        Escape Sequences
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                        #!
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                        Interactive vs Non-Interactive Shell
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                        Login vs Non-Login Shell
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                        etc
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                            <b>3.</b>
                        
                        Test
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                            <b>3.1.</b>
                        
                        Operators
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                            <b>4.</b>
                        
                        Subshells
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                            <b>4.1.</b>
                        
                        Process Creation
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                            <b>5.</b>
                        
                        Commands
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                            <b>5.1.</b>
                        
                        Builtin Commands
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                            <b>5.1.1.</b>
                        
                        read
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                            <b>5.1.2.</b>
                        
                        printf
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                            <b>5.1.3.</b>
                        
                        eval
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                            <b>5.1.4.</b>
                        
                        getopts
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                        Keyword Commands
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                        Compound Commands
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                        Special Commands
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                        expr
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                            <b>5.5.</b>
                        
                        grep
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                            <b>5.6.</b>
                        
                        find
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                            <b>5.7.</b>
                        
                        xargs
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                            <b>6.</b>
                        
                        Arrays
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                            <b>7.</b>
                        
                        Shell Metacharacters
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                            <b>7.1.</b>
                        
                        Precedence
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                            <b>8.</b>
                        
                        Expansions and Substitutions
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                            <b>8.1.</b>
                        
                        Brace Expansion
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                            <b>8.2.</b>
                        
                        Tilde Expansion
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                            <b>8.3.</b>
                        
                        Parameter Expansion
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                            <b>8.4.</b>
                        
                        Arithmetic Expansion
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                            <b>8.5.</b>
                        
                        Command Substitution
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                            <b>8.6.</b>
                        
                        Process Substitution
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                            <b>8.7.</b>
                        
                        Word Splitting
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                            <b>8.8.</b>
                        
                        Filename Expansion
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                            <b>9.</b>
                        
                        Job Control
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                            <b>9.1.</b>
                        
                        Session and Process Group
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                            <b>9.2.</b>
                        
                        Process State Codes
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                            <b>9.3.</b>
                        
                        TTY
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                            <b>9.4.</b>
                        
                        Mutual Exclusion
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                            <b>10.</b>
                        
                        Redirections
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                            <b>10.1.</b>
                        
                        File Descriptors
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                            <b>10.2.</b>
                        
                        &lt;&lt; , &lt;&lt;&lt;
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                            <b>10.3.</b>
                        
                        Pipe
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                            <b>10.4.</b>
                        
                        Named Pipe
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                            <b>10.5.</b>
                        
                        Buffering
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                            <b>11.</b>
                        
                        Signals and Traps
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                            <b>11.1.</b>
                        
                        kill
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                            <b>11.2.</b>
                        
                        trap
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                            <b>11.3.</b>
                        
                        Signals Table
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                            <b>12.</b>
                        
                        Command Aliases
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        <li class="chapter " data-level="13" data-path="command_history.html">
            
                
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                            <b>13.</b>
                        
                        Command History
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                            <b>14.</b>
                        
                        Command Completion
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        <li class="chapter " data-level="15" data-path="readline.html">
            
                
                    <a href="./readline.html">
                
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                            <b>15.</b>
                        
                        Readline
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        <li class="chapter " data-level="16" data-path="colors_and_prompt.html">
            
                
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                            <b>16.</b>
                        
                        Colors and Prompt
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        <li class="chapter " data-level="17" data-path="shell_variables.html">
            
                
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                            <b>17.</b>
                        
                        Shell Variables
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        <li class="chapter " data-level="17.1" data-path="positional_parameters.html">
            
                
                    <a href="./positional_parameters.html">
                
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                            <b>17.1.</b>
                        
                        Positional Parameters
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        <li class="chapter " data-level="17.2" data-path="special_parameters.html">
            
                
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                            <b>17.2.</b>
                        
                        Special Parameters
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        <li class="chapter " data-level="18" data-path="shell_options.html">
            
                
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                            <b>18.</b>
                        
                        Shell Options
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        <li class="chapter " data-level="18.1" data-path="command_line_options.html">
            
                
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                            <b>18.1.</b>
                        
                        Command-line options
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        <li class="chapter " data-level="19" data-path="debugging.html">
            
                
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                            <b>19.</b>
                        
                        Debugging
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        <li class="chapter " data-level="20" data-path="locale.html">
            
                
                    <a href="./locale.html">
                
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                            <b>20.</b>
                        
                        Locale
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        <li class="chapter " data-level="21" data-path="sh.html">
            
                
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                            <b>21.</b>
                        
                        sh
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                            <b>22.</b>
                        
                        Tips
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                            <b>23.</b>
                        
                        맺음말
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                            <b>24.</b>
                        
                        별책부록
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                    <section class="normal" id="section-">
                    
                        <h1 id="command-completion">Command Completion</h1>
<p>&#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xC0AC;&#xC6A9;&#xB418;&#xB294; &#xC778;&#xC218;, &#xC635;&#xC158;&#xC774; &#xC885;&#xB958;&#xAC00; &#xB9CE;&#xACE0; &#xC774;&#xB984;&#xC774; &#xAE38;&#xBA74; &#xC77C;&#xC77C;&#xC774; &#xAE30;&#xC5B5;&#xD558;&#xAE30;&#xB3C4; &#xD798;&#xB4E4;&#xACE0; &#xC624;&#xB958; &#xC5C6;&#xC774; &#xC785;&#xB825;&#xD558;&#xAE30;&#xB3C4; &#xC5B4;&#xB835;&#xC2B5;&#xB2C8;&#xB2E4;. &#xC774;&#xB7F4; &#xB54C; tab &#xD0A4;&#xB97C; &#xC774;&#xC6A9;&#xD55C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xAE30;&#xB2A5;&#xC774; &#xC720;&#xC6A9;&#xD558;&#xAC8C; &#xC0AC;&#xC6A9;&#xB418;&#xB294;&#xB370;&#xC694;. &#xBA85;&#xB839;&#xBB38; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xAE30;&#xB2A5;&#xC740; &#xAC01; &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xC790;&#xCCB4;&#xC801;&#xC73C;&#xB85C; &#xC81C;&#xACF5;&#xD558;&#xB294; &#xAC83;&#xC740; &#xC544;&#xB2C8;&#xACE0; complete, compgen, compopt &#xBA85;&#xB839;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xB9CC;&#xB4E4;&#xC5B4; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xAC83;&#xC785;&#xB2C8;&#xB2E4;. &#xC790;&#xC8FC; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xBA85;&#xB839;&#xC5D0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xAE30;&#xB2A5;&#xC774; &#xC5C6;&#xB2E4;&#xBA74; &#xB9CC;&#xB4E4;&#xC5B4;&#xC11C; &#xCD94;&#xAC00;&#xD560; &#xC218;&#xB3C4; &#xC788;&#xACE0; &#xC774;&#xBBF8; &#xC124;&#xC815;&#xB3FC; &#xC788;&#xB294; &#xAE30;&#xB2A5;&#xC774;&#xB77C;&#xB3C4; &#xB9C8;&#xC74C;&#xC5D0; &#xB4E4;&#xC9C0; &#xC54A;&#xC73C;&#xBA74; &#xC7AC;&#xC124;&#xC815;&#xD560; &#xC218;&#xB3C4; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.  </p>
<blockquote>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xB9CC;&#xB4E4;&#xBA74; &#xC2A4;&#xD06C;&#xB9BD;&#xD2B8; &#xC5F0;&#xC2B5;&#xB3C4; &#xB418;&#xACE0; &#xBA85;&#xB839;&#xC758; &#xB3C4;&#xC6C0;&#xB9D0;&#xB3C4; &#xB2E4;&#xC2DC; &#xBCF4;&#xAC8C; &#xB418;&#xBBC0;&#xB85C;
&#xBA85;&#xB839;&#xC744; &#xC774;&#xD574;&#xD558;&#xB294;&#xB370; &#xB3C4;&#xC6C0;&#xC774; &#xB429;&#xB2C8;&#xB2E4;. &#xC5EC;&#xB7EC;&#xBD84;&#xB3C4; &#xB9C8;&#xC74C;&#xC5D0; &#xB4DC;&#xB294; &#xBA85;&#xB839;&#xC774; &#xC788;&#xC73C;&#xBA74; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C;
&#xB9CC;&#xB4E4;&#xC5B4;&#xC11C; github &#xC5D0; &#xC62C;&#xB824;&#xBCF4;&#xC138;&#xC694;. github &#xC5D0; &#xC62C;&#xB9B0;&#xAC83;&#xC740; bing &#xC5D0;&#xC11C; &#xAC80;&#xC0C9;&#xD558;&#xBA74; &#xBC14;&#xB85C; &#xB739;&#xB2C8;&#xB2E4;.</p>
</blockquote>
<pre><code class="lang-bash"><span class="hljs-comment"># find &#xBA85;&#xB839;&#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xAE30; &#xC704;&#xD574; &apos;find -&apos; &#xAE4C;&#xC9C0; &#xC785;&#xB825;&#xD55C; &#xB4A4;&#xC5D0; tab &#xD0A4;&#xB97C; &#xB204;&#xB974;&#xBA74; </span>
<span class="hljs-comment"># &#xC774;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xB294; &#xC635;&#xC158; &#xBAA9;&#xB85D;&#xC744; &#xD55C;&#xB208;&#xC5D0; &#xBCF4;&#xC5EC;&#xC90D;&#xB2C8;&#xB2E4;.       </span>
$ find -[tab]
-amin                   -fprint0                -mmin                   -quit
-anewer                 -fprintf                -mount                  -readable
-atime                  -fstype                 -mtime                  -regex
-cmin                   -gid                    -name                   -regextype
-cnewer                 -group                  -newer                  -samefile
-context                -help                   -nogroup                -size
-ctime                  -ignore_readdir_race    -noignore_readdir_race  -true
-daystart               -ilname                 -noleaf                 -type
-delete                 -iname                  -nouser                 -uid
-depth                  -inum                   -nowarn                 -used
-empty                  -ipath                  -ok                     -user
-exec                   -iregex                 -okdir                  -version
-execdir                -iwholename             -path                   -warn
-executable             -links                  -perm                   -wholename
-false                  -lname                  -print                  -writable
-fls                    -ls                     -print0                 -xdev
-follow                 -maxdepth               -printf                 -xtype
</code></pre>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131;&#xC744; &#xC704;&#xD574; &#xD604;&#xC7AC; &#xB4F1;&#xB85D;&#xB3FC; &#xC788;&#xB294; &#xBA85;&#xB839; &#xC774;&#xB984;&#xB4E4;&#xC740; <code>complete</code> builtin &#xBA85;&#xB839;&#xC744; &#xD1B5;&#xD574; &#xBCFC;&#xC218;&#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ complete -p                 <span class="hljs-comment"># &#xC804;&#xCCB4; &#xBAA9;&#xB85D;&#xC744; &#xCD9C;&#xB825;</span>
. . .

$ complete -p find
complete -F _find find        <span class="hljs-comment"># find &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC744; &#xC704;&#xD574; _find &#xD568;&#xC218;(-F) &#xAC00; &#xC0AC;&#xC6A9;&#xB428;</span>

$ complete -p <span class="hljs-built_in">help</span>
complete -A helptopic <span class="hljs-built_in">help</span>    <span class="hljs-comment"># help &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC744; &#xC704;&#xD574; helptopic action(-A) &#xC774; &#xC0AC;&#xC6A9;&#xB428;</span>
</code></pre>
<p>&#xD604;&#xC7AC; &#xC124;&#xC815;&#xB418;&#xC5B4; &#xC788;&#xB294; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC744; &#xC0AD;&#xC81C;&#xD560; &#xB54C;&#xB294; <code>-r</code> &#xC635;&#xC158;&#xC744; &#xC0AC;&#xC6A9;&#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ complete -p <span class="hljs-built_in">kill</span>
complete -F _<span class="hljs-built_in">kill</span>2 <span class="hljs-built_in">kill</span>

$ complete -r <span class="hljs-built_in">kill</span>

$ complete -p <span class="hljs-built_in">kill</span>
bash: complete: <span class="hljs-built_in">kill</span>: no completion specification
</code></pre>
<h3 id="completion-&#xC740;-&#xBA85;&#xB839;&#xBB38;-&#xC2A4;&#xD2B8;&#xB9C1;&#xC744;-&#xB9CC;&#xB4DC;&#xB294;-&#xC791;&#xC5C5;">Completion &#xC740; &#xBA85;&#xB839;&#xBB38; &#xC2A4;&#xD2B8;&#xB9C1;&#xC744; &#xB9CC;&#xB4DC;&#xB294; &#xC791;&#xC5C5;.</h3>
<p>&#xC0AC;&#xC2E4; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xACFC; &#xBA85;&#xB839;&#xC740; &#xAD00;&#xACC4;&#xAC00; &#xC5C6;&#xC2B5;&#xB2C8;&#xB2E4;. &#xBB34;&#xC2A8;&#xB9D0;&#xC774;&#xB0D0; &#xD558;&#xBA74; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC740; &#xB2E8;&#xC9C0; &#xBA85;&#xB839;&#xBB38; &#xC2A4;&#xD2B8;&#xB9C1;&#xC744; &#xB9CC;&#xB4DC;&#xB294; &#xC791;&#xC5C5;&#xC785;&#xB2C8;&#xB2E4;.
&#xB2E4;&#xC74C;&#xC740; &#xC2E4;&#xC81C; &#xC2DC;&#xC2A4;&#xD15C;&#xC5D0; &apos;hello&apos; &#xB77C;&#xB294; &#xBA85;&#xB839;&#xC740; &#xC5C6;&#xC9C0;&#xB9CC; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC744; &#xC124;&#xC815;&#xD558;&#xACE0; &#xC788;&#xB294; &#xC608;&#xC785;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash"><span class="hljs-comment"># hello &#xB97C; &#xC704;&#xD55C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB4E4;&#xC744; &#xB4F1;&#xB85D;</span>
$ complete -W <span class="hljs-string">&quot;aaa bbb ccc ddd&quot;</span> hello

<span class="hljs-comment"># &apos;hello &apos; &#xAE4C;&#xC9C0; &#xC785;&#xB825;&#xD558;&#xACE0; tab &#xD0A4;&#xB97C; &#xB204;&#xB974;&#xBA74; &#xB4F1;&#xB85D;&#xD588;&#xB358; &#xB2E8;&#xC5B4;&#xB4E4;&#xC774; &#xD45C;&#xC2DC;&#xB41C;&#xB2E4;.</span>
$ hello [tab]           
aaa bbb ccc ddd

<span class="hljs-comment"># &apos;hello c&apos; &#xAE4C;&#xC9C0; &#xC785;&#xB825;&#xD558;&#xACE0; tab &#xD0A4;&#xB97C; &#xB204;&#xB974;&#xBA74; &apos;hello ccc&apos; &#xBA85;&#xB839;&#xBB38;&#xC774; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB41C;&#xB2E4;.</span>
$ hello c[tab]

<span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB4F1;&#xB85D;&#xD655;&#xC778;</span>
$ complete -p hello 
complete -W <span class="hljs-string">&apos;aaa bbb ccc ddd&apos;</span> hello
</code></pre>
<h3 id="&#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C;-&#xC0AC;&#xC6A9;&#xD560;-&#xC218;-&#xC788;&#xB294;-&#xC790;&#xB3D9;&#xC644;&#xC131;-&#xC774;&#xB984;&#xB4E4;">&#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xB294; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xB4E4;</h3>
<p>&#xC704;&#xC758; &#xC608;&#xC5D0;&#xC11C;&#xB294; <code>-W wordlist</code> &#xC635;&#xC158;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xC9C1;&#xC811; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xB4F1;&#xB85D;&#xD574; &#xC0AC;&#xC6A9;&#xD588;&#xC9C0;&#xB9CC; 
completion &#xC5D0;&#xC11C;&#xB294; &#xC2DC;&#xC2A4;&#xD15C; &#xB0B4;&#xC5D0;&#xC11C; &#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xB294; &#xC5EC;&#xB7EC; &#xC774;&#xB984;&#xB4E4;&#xC744; &#xCE74;&#xD14C;&#xACE0;&#xB9AC; &#xBCC4;&#xB85C; &#xBD84;&#xB958;&#xD558;&#xC5EC; &#xC81C;&#xACF5;&#xD569;&#xB2C8;&#xB2E4;. &#xC774;&#xC640; &#xAC19;&#xC740; &#xC774;&#xB984;&#xB4E4;&#xC740; <code>-A action</code> &#xC635;&#xC158;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.  </p>
<pre><code class="lang-bash"><span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC73C;&#xB85C; export action &#xC744; &#xC0AC;&#xC6A9;</span>
$ complete -A <span class="hljs-built_in">export</span>  hello

<span class="hljs-comment"># &apos;hello &apos; &#xAE4C;&#xC9C0; &#xC785;&#xB825;&#xD558;&#xACE0; tab &#xD0A4;&#xB97C; &#xB204;&#xB974;&#xBA74; &#xD604;&#xC7AC; export &#xB41C; &#xBCC0;&#xC218; &#xC774;&#xB984;&#xB4E4;&#xC744; &#xBCF4;&#xC5EC;&#xC900;&#xB2E4;.</span>
$ hello [tab]
ANT_HOME                  LC_ADDRESS                SCALA_HOME
CDPATH                    LC_IDENTIFICATION         SESSION
CLUTTER_IM_MODULE         LC_MEASUREMENT            SESSION_MANAGER
COLORTERM                 LC_MONETARY               SESSIONTYPE
DART_SDK                  LC_NAME                   SHELL
DBUS_SESSION_BUS_ADDRESS  LC_NUMERIC                SHLVL
...
</code></pre>
<p>&#xB2E4;&#xC74C;&#xC740; <code>-A</code> &#xC635;&#xC158;&#xC73C;&#xB85C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xB294; action &#xC785;&#xB2C8;&#xB2E4;.
&#xC606;&#xC5D0; short &#xC635;&#xC158;&#xC774; &#xD568;&#xAED8; &#xC788;&#xB294; &#xACBD;&#xC6B0;&#xB294; &#xB450; &#xAC00;&#xC9C0;&#xB85C; &#xC124;&#xC815;&#xC774; &#xAC00;&#xB2A5;&#xD569;&#xB2C8;&#xB2E4;.
&#xC608;&#xB97C; &#xB4E4;&#xC5B4; alias &#xB97C; &#xC124;&#xC815;&#xD560; &#xACBD;&#xC6B0;
<code>complete -A alias</code> &#xB3C4; &#xB418;&#xACE0; <code>complete -a</code> &#xB85C;&#xB3C4; &#xC124;&#xC815;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xC774;&#xAC83;&#xC740; compgen &#xBA85;&#xB839;&#xC5D0;&#xC11C;&#xB3C4; &#xB3D9;&#xC77C;&#xD558;&#xAC8C; &#xC0AC;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;.</p>
<table>
<thead>
<tr>
<th>action</th>
<th>&#xC124;&#xBA85;</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>-a | alias</strong></td>
<td>&#xD604;&#xC7AC; &#xC124;&#xC815;&#xB418;&#xC5B4; &#xC788;&#xB294; alias &#xC774;&#xB984;</td>
</tr>
<tr>
<td><strong>arrayvar</strong></td>
<td>array &#xBCC0;&#xC218; &#xC774;&#xB984;</td>
</tr>
<tr>
<td><strong>binding</strong></td>
<td>Readline &#xC5D0;&#xC11C; &#xC0AC;&#xC6A9;&#xD558;&#xB294; key binding &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-b | builtin</strong></td>
<td>Shell builtin &#xBA85;&#xB839; &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-c | command</strong></td>
<td><code>$PATH</code> &#xC5D0;&#xC758;&#xD574; &#xC811;&#xADFC; &#xAC00;&#xB2A5;&#xD55C; &#xC2DC;&#xC2A4;&#xD15C; &#xC804;&#xCCB4; &#xBA85;&#xB839; (builtin &#xBA85;&#xB839; &#xD3EC;&#xD568;).</td>
</tr>
<tr>
<td><strong>-d | directory</strong></td>
<td>&#xD604;&#xC7AC; &#xC704;&#xCE58;&#xC5D0;&#xC11C; &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xB9CC; &#xD45C;&#xC2DC;<br><code>FIGNORE</code> &#xBCC0;&#xC218;&#xB97C; &#xC774;&#xC6A9;&#xD574; &#xD544;&#xD130;&#xB9C1; &#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</td>
</tr>
<tr>
<td><strong>disabled</strong></td>
<td>Disable &#xB41C; shell builtin &#xBA85;&#xB839; &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>enabled</strong></td>
<td>Enable &#xB41C; shell builtin &#xBA85;&#xB839; &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-e | export</strong></td>
<td>Export &#xB41C; shell &#xBCC0;&#xC218; &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-f | file</strong></td>
<td>&#xD604;&#xC7AC; &#xC704;&#xCE58;&#xC5D0;&#xC11C; &#xBAA8;&#xB4E0; &#xD30C;&#xC77C; &#xD45C;&#xC2DC; (&#xB514;&#xB809;&#xD1A0;&#xB9AC;, &#xC2EC;&#xBCFC;&#xB9AD; &#xB9C1;&#xD06C; &#xBAA8;&#xB450;).<br><code>FIGNORE</code> &#xBCC0;&#xC218;&#xB97C; &#xC774;&#xC6A9;&#xD574; &#xD544;&#xD130;&#xB9C1; &#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.<br>compgen &#xBA85;&#xB839;&#xC758; &#xACBD;&#xC6B0; &#xB300;&#xC0C1; &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xB97C; &#xC9C0;&#xC815;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.<br><code>compgen -f /some/dir/</code></td>
</tr>
<tr>
<td><strong>function</strong></td>
<td>&#xD604;&#xC7AC; shell &#xC5D0; &#xC124;&#xC815;&#xB418;&#xC5B4; &#xC788;&#xB294; &#xD568;&#xC218; &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-g | group</strong></td>
<td><code>/etc/group</code> &#xC5D0; &#xB4F1;&#xB85D;&#xB41C; group &#xC774;&#xB984;</td>
</tr>
<tr>
<td><strong>helptopic</strong></td>
<td>Help builtin &#xBA85;&#xB839;&#xC73C;&#xB85C; &#xB3C4;&#xC6C0;&#xB9D0;&#xC744; &#xBCFC;&#xC218;&#xC788;&#xB294; &#xC774;&#xB984;&#xB4E4;.</td>
</tr>
<tr>
<td><strong>hostname</strong></td>
<td><code>/etc/hosts</code> &#xC5D0; &#xB4F1;&#xB85D;&#xB41C; &#xD638;&#xC2A4;&#xD2B8;&#xC774;&#xB984;. (<code>HOSTFILE</code> &#xBCC0;&#xC218; &#xC124;&#xC815;&#xB3C4; &#xD3EC;&#xD568;).</td>
</tr>
<tr>
<td><strong>-j | job</strong></td>
<td>background &#xB85C; &#xC2E4;&#xD589;&#xC911;&#xC778; &#xBAA8;&#xB4E0; job &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-k | keyword</strong></td>
<td>Shell &#xD0A4;&#xC6CC;&#xB4DC;.</td>
</tr>
<tr>
<td><strong>running</strong></td>
<td>Running jobs &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-s | service</strong></td>
<td><code>/etc/services</code> &#xC5D0; &#xB4F1;&#xB85D;&#xB41C; service &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>setopt</strong></td>
<td>Set &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xB294; &#xC635;&#xC158; &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>shopt</strong></td>
<td>Shopt &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xB294; &#xC635;&#xC158; &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>signal</strong></td>
<td>Signal &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>stopped</strong></td>
<td>Stopped jobs &#xC774;&#xB984;</td>
</tr>
<tr>
<td><strong>-u | user</strong></td>
<td><code>/etc/passwd</code> &#xC5D0; &#xB4F1;&#xB85D;&#xB41C; user &#xC774;&#xB984;.</td>
</tr>
<tr>
<td><strong>-v | variable</strong></td>
<td>&#xD604;&#xC7AC; shell &#xC5D0; &#xC124;&#xC815;&#xB418;&#xC5B4; &#xC788;&#xB294; &#xBAA8;&#xB4E0; &#xBCC0;&#xC218; &#xC774;&#xB984;.</td>
</tr>
</tbody>
</table>
<pre><code class="lang-sh"><span class="hljs-comment"># builtin &#xBE4C;&#xD2B8;&#xC778; &#xBA85;&#xB839;&#xC5D0; -b (builtin) &#xC561;&#xC158;&#xC744; &#xC124;&#xC815;</span>
$ complete -b <span class="hljs-built_in">builtin</span>
$ <span class="hljs-built_in">builtin</span> [tab]
.          <span class="hljs-built_in">caller</span>     <span class="hljs-built_in">dirs</span>       <span class="hljs-literal">false</span>    . . .

<span class="hljs-comment"># set, shopt &#xBE4C;&#xD2B8;&#xC778; &#xBA85;&#xB839;&#xC5D0; &#xAC01;&#xAC01; setopt, shopt &#xC561;&#xC158;&#xC744; &#xC124;&#xC815;</span>
$ complete -A <span class="hljs-built_in">setopt</span> <span class="hljs-built_in">set</span>
$ complete -A <span class="hljs-built_in">shopt</span> <span class="hljs-built_in">shopt</span>
$ <span class="hljs-built_in">shopt</span> [tab]
assoc_expand_once        dotglob                  lastpipe   . . .

<span class="hljs-comment"># command, type &#xBE4C;&#xD2B8;&#xC778; &#xBA85;&#xB839;&#xACFC; which &#xC678;&#xBD80;&#xBA85;&#xB839;&#xC5D0; -c (command) &#xC561;&#xC158;&#xC744; &#xC124;&#xC815;</span>
$ complete -c <span class="hljs-built_in">command</span> <span class="hljs-built_in">type</span> <span class="hljs-built_in">which</span>
$ <span class="hljs-built_in">which</span> [tab]
Display all <span class="hljs-number">4220</span> possibilities? (y or n)
</code></pre>
<h3 id="completion-options">Completion Options</h3>
<p>&#xC635;&#xC158; &#xC124;&#xC815;&#xC744; &#xD1B5;&#xD574; completion, compgen &#xBA85;&#xB839;&#xC758; &#xB3D9;&#xC791; &#xBC29;&#xC2DD;&#xC744; &#xBCC0;&#xACBD;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. 
&#xC774; &#xC635;&#xC158;&#xC740; &#xCD94;&#xD6C4;&#xC5D0; compopt &#xBA85;&#xB839;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xBCC0;&#xACBD;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. 
&#xD604;&#xC7AC; &#xC124;&#xC815;&#xB41C; &#xC635;&#xC158; &#xC0C1;&#xD0DC;&#xB294; <code>compopt &#xBA85;&#xB839;&#xC774;&#xB984;</code> &#xC73C;&#xB85C; &#xD655;&#xC778;&#xD560; &#xC218; &#xC788;&#xC73C;&#xBA70; <code>-</code> &#xB85C; &#xD45C;&#xC2DC;&#xB41C; &#xAC83;&#xC740; &#xD604;&#xC7AC;
&#xC124;&#xC815;&#xB418;&#xC5B4;&#xC788;&#xB294; &#xC0C1;&#xD0DC;&#xACE0; <code>+</code> &#xB85C; &#xD45C;&#xC2DC;&#xB41C; &#xAC83;&#xC740; &#xC124;&#xC815;&#xC774; &#xC548;&#xB41C; &#xC0C1;&#xD0DC;&#xC785;&#xB2C8;&#xB2E4;.</p>
<ul>
<li><p><strong>default</strong>  </p>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xC9C0; &#xBABB;&#xD588;&#xC744;&#xB54C; &#xD30C;&#xC77C;, &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xC774;&#xB984;&#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xAC8C; &#xD569;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<pre><code class="lang-bash"><span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC774; &#xD558;&#xB098;&#xB3C4; &#xC0DD;&#xC131;&#xB418;&#xC9C0; &#xBABB;&#xD558;&#xAC8C; -W &apos;&apos; &#xC124;&#xC815;</span>
$ complete -W <span class="hljs-string">&apos;&apos;</span> hello

$ hello [tab]           <span class="hljs-comment"># tab &#xD0A4;&#xB97C; &#xB20C;&#xB7EC;&#xB3C4; &#xC544;&#xBB34;&#xAC83;&#xB3C4; &#xB098;&#xD0C0;&#xB098;&#xC9C0; &#xC54A;&#xB294;&#xB2E4;.</span>
$

<span class="hljs-comment"># &#xC774;&#xBC88;&#xC5D0;&#xB294; &apos;-o default&apos; &#xC635;&#xC158; &#xCD94;&#xAC00;</span>
$ complete -o default -W <span class="hljs-string">&apos;&apos;</span> hello

<span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xC9C0; &#xBABB;&#xD558;&#xC790; readline &#xAE30;&#xBCF8; &#xD30C;&#xC77C;&#xC774;&#xB984; &#xC644;&#xC131;&#xC744; &#xC0AC;&#xC6A9;.</span>
$ hello [tab]
<span class="hljs-number">2013</span>-<span class="hljs-number">03</span>-<span class="hljs-number">19</span> <span class="hljs-number">154412</span>.csv  music/                 video/                 
Address.java           ReadObject.class       WriteObject.class      
address.ser            ReadObject.java        WriteObject.java 

<span class="hljs-comment"># compgen &#xC73C;&#xB85C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4; &#xC0DD;&#xC131;</span>
$ compgen -o default -- Read
ReadObject.class
ReadObject.java
</code></pre>
<ul>
<li><p><strong>dirnames</strong>  </p>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xC9C0; &#xBABB;&#xD588;&#xC744;&#xB54C; &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xC774;&#xB984;&#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xAC8C; &#xD569;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<pre><code class="lang-bash">$ complete -o dirnames -W <span class="hljs-string">&apos;&apos;</span> hello

<span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xC9C0; &#xBABB;&#xD558;&#xC790; &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xC774;&#xB984; &#xC644;&#xC131;&#xC744; &#xC0AC;&#xC6A9;.</span>
$ hello [tab]
music/                 video/

<span class="hljs-comment"># compgen &#xC73C;&#xB85C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4; &#xC0DD;&#xC131;</span>
$ compgen -o dirnames -- mu
Music
</code></pre>
<ul>
<li><p><strong>filenames</strong>  </p>
<p>&#xC774;&#xAC83;&#xC740; <code>-o dirnames</code> &#xC635;&#xC158;&#xCC98;&#xB7FC; &#xD30C;&#xC77C; &#xC774;&#xB984;&#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB85C; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xC635;&#xC158;&#xC774; &#xC544;&#xB2C8;&#xACE0;
&#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xD30C;&#xC77C; &#xC774;&#xB984;&#xC73C;&#xB85C; &#xCDE8;&#xAE09;&#xD558;&#xAC8C; &#xD558;&#xB294; &#xC635;&#xC158;&#xC785;&#xB2C8;&#xB2E4;.
&#xC774;&#xB984;&#xC5D0; &#xACF5;&#xBC31;&#xC774;&#xB098; &#xD2B9;&#xC218;&#xBB38;&#xC790;&#xAC00; &#xC788;&#xC744;&#xACBD;&#xC6B0; &#xC790;&#xB3D9;&#xC73C;&#xB85C; escape &#xD574;&#xC8FC;&#xACE0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xAC00; &#xB514;&#xB809;&#xD1A0;&#xB9AC; 
&#xC774;&#xB984;&#xACFC; &#xB9E4;&#xCE6D;&#xC774; &#xB420;&#xACBD;&#xC6B0; &#xB4A4;&#xC5D0; <code>/</code> &#xB97C; &#xBD99;&#xC5EC;&#xC90D;&#xB2C8;&#xB2E4;. </p>
</li>
</ul>
<pre><code class="lang-bash">$ complete -W <span class="hljs-string">&apos;hoo\ bar foo&amp;bar music&apos;</span>  hello

<span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC774; &#xC218;&#xC815;&#xC5C6;&#xC774; &#xADF8;&#xB300;&#xB85C; &#xC644;&#xC131;&#xB41C;&#xB2E4;.</span>
$ hello hoo bar
$ hello foo&amp;bar
$ hello music

<span class="hljs-comment"># &#xC774;&#xBC88;&#xC5D0;&#xB294; -o filenames &#xC635;&#xC158; &#xC0AC;&#xC6A9;</span>
$ complete -o filenames -W <span class="hljs-string">&apos;hoo\ bar foo&amp;bar music&apos;</span>  hello

<span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xD30C;&#xC77C;&#xB85C; &#xCDE8;&#xAE09;&#xD558;&#xC5EC; &#xC774;&#xB984;&#xC5D0; &#xACF5;&#xBC31;&#xC774;&#xB098; &#xD2B9;&#xC218;&#xBB38;&#xC790;&#xAC00; &#xC788;&#xC744;&#xACBD;&#xC6B0; escape &#xD574;&#xC8FC;&#xACE0; </span>
<span class="hljs-comment"># &#xAC19;&#xC740; &#xC774;&#xB984;&#xC758; &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xAC00; &#xC788;&#xC744;&#xACBD;&#xC6B0; &apos;/&apos; &#xB97C; &#xBD99;&#xC5EC;&#xC900;&#xB2E4;.</span>
$ hello hoo\ bar
$ hello foo\&amp;bar
$ hello music/

$ compgen -o filenames      <span class="hljs-comment"># &#xD30C;&#xC77C; &#xC774;&#xB984;&#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB85C; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xC635;&#xC158;&#xC774; &#xC544;&#xB2C8;&#xB2E4;.</span>
$
</code></pre>
<ul>
<li><p><strong>bashdefault</strong>  </p>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xC9C0; &#xBABB;&#xD588;&#xC744;&#xB54C; default Bash completions &#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xAC8C; &#xD569;&#xB2C8;&#xB2E4;.
&#xC5EC;&#xAE30;&#xC5D0;&#xB294; variable, function, command, alias, builtin,keyword ... &#xB4F1;&#xC774; &#xBAA8;&#xB450; &#xD3EC;&#xD568;&#xB429;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<pre><code class="lang-bash">$ complete -o bashdefault -W <span class="hljs-string">&apos;&apos;</span> hello

<span class="hljs-comment"># bash &#xBCC0;&#xC218;&#xC774;&#xB984; &#xC790;&#xB3D9;&#xC644;&#xC131;</span>
$ hello <span class="hljs-variable">$BASH_</span>[tab]
<span class="hljs-variable">$BASH_ALIASES</span>                <span class="hljs-variable">$BASH_COMMAND</span>                <span class="hljs-variable">$BASH_SOURCE</span>
<span class="hljs-variable">$BASH_ARGC</span>                   <span class="hljs-variable">$BASH_COMPLETION_COMPAT_DIR</span>  <span class="hljs-variable">$BASH_SUBSHELL</span>
<span class="hljs-variable">$BASH_ARGV</span>                   <span class="hljs-variable">$BASH_LINENO</span>                 <span class="hljs-variable">$BASH_VERSINFO</span>
<span class="hljs-variable">$BASH_CMDS</span>                   <span class="hljs-variable">$BASH_REMATCH</span>                <span class="hljs-variable">$BASH_VERSION</span>

<span class="hljs-comment"># &#xD328;&#xD134;&#xC5D0; &#xB9E4;&#xCE6D;&#xB418;&#xB294; &#xD30C;&#xC77C;&#xC744; &#xD45C;&#xC2DC;</span>
$ hello Read*[tab]
ReadObject.class  ReadObject.java

$ hello Read*.j*[tab]
$ hello ReadObject.java    <span class="hljs-comment"># &#xD30C;&#xC77C;&#xC774;&#xB984; &#xC644;&#xC131;     </span>

<span class="hljs-comment"># compgen &#xC73C;&#xB85C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4; &#xC0DD;&#xC131;</span>
$ compgen -o bashdefault -- <span class="hljs-string">&apos;$BASH_&apos;</span>
<span class="hljs-variable">$BASH_ALIASES</span>
<span class="hljs-variable">$BASH_ARGC</span>
<span class="hljs-variable">$BASH_ARGV</span>
. . .
</code></pre>
<ul>
<li><p><strong>noquote</strong>  </p>
<p>&#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; &#xD30C;&#xC77C; &#xC774;&#xB984;&#xC744; &#xC644;&#xC131;&#xD560; &#xB54C;&#xB294; &#xACF5;&#xBC31;&#xC774;&#xB098; &#xD2B9;&#xC218;&#xBB38;&#xC790;&#xB97C; escape &#xD574;&#xC8FC;&#xB294;&#xB370; &#xC774; &#xC635;&#xC158;&#xC744; &#xC124;&#xC815;&#xD558;&#xBA74; disable &#xB429;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<pre><code class="lang-bash"><span class="hljs-comment"># &#xD604;&#xC7AC; &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xBAA9;&#xB85D;</span>
$ ls
<span class="hljs-number">2013</span>-<span class="hljs-number">03</span>-<span class="hljs-number">19</span> <span class="hljs-number">154412</span>.csv  address.ser  music/            ReadObject.java  WriteObject.class
Address.java           foo&amp;bar.cvs  ReadObject.class  video/           WriteObject.java

<span class="hljs-comment"># file action &#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xC5EC; &#xD604;&#xC7AC; &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xC5D0; &#xC788;&#xB294; &#xD30C;&#xC77C;&#xC774;&#xB984;&#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC73C;&#xB85C; &#xC0AC;&#xC6A9;</span>
$ complete -A file hello

<span class="hljs-comment"># &#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; &#xD30C;&#xC77C;&#xC774;&#xB984;&#xC740; &#xACF5;&#xBC31;&#xC774;&#xB098; &#xD2B9;&#xC218;&#xBB38;&#xC790;&#xB97C; escape &#xD574;&#xC900;&#xB2E4;.</span>
$ hello <span class="hljs-number">2013</span>-<span class="hljs-number">03</span>-<span class="hljs-number">19</span>\ <span class="hljs-number">154412</span>.csv
$ hello foo\&amp;bar.cvs

<span class="hljs-comment"># &#xC774;&#xBC88;&#xC5D0;&#xB294; -o noquote &#xC635;&#xC158; &#xC0AC;&#xC6A9;</span>
$ complete -o noquote -A file hello

<span class="hljs-comment"># &#xD30C;&#xC77C;&#xC774;&#xB984;&#xC758; &#xC790;&#xB3D9; escape &#xAE30;&#xB2A5;&#xC774; disable &#xB41C;&#xB2E4;. </span>
$ hello <span class="hljs-number">2013</span>-<span class="hljs-number">03</span>-<span class="hljs-number">19</span> <span class="hljs-number">154412</span>.csv
$ hello foo&amp;bar.cvs
</code></pre>
<ul>
<li><p><strong>nospace</strong>  </p>
<p>&#xB2E8;&#xC5B4;&#xB97C; &#xC644;&#xC131;&#xD558;&#xACE0; &#xB098;&#xBA74; &#xB2E4;&#xC74C; &#xB2E8;&#xC5B4;&#xB97C; &#xC704;&#xD574; &#xACF5;&#xBC31;&#xC744; &#xB744;&#xC6B0;&#xAC8C; &#xB418;&#xB294;&#xB370;&#xC694;. &#xC774; &#xC635;&#xC158;&#xC740; &#xADF8;&#xAC78; &#xBC29;&#xC9C0;&#xD569;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<pre><code class="lang-bash">$ complete -W <span class="hljs-string">&apos;aaa= bbb= ccc=&apos;</span>  hello

<span class="hljs-comment"># &#xB2E8;&#xC5B4;&#xB97C; &#xC644;&#xC131;&#xD558;&#xACE0; &#xB098;&#xBA74; &#xC790;&#xB3D9;&#xC73C;&#xB85C; &#xACF5;&#xBC31;&#xC744; &#xB744;&#xC6B4;&#xB2E4;.</span>
$ hello aaa= [stop] 

<span class="hljs-comment"># &#xC774;&#xBC88;&#xC5D0;&#xB294; -o nospace &#xC635;&#xC158; &#xC0AC;&#xC6A9;</span>
$ complete -o nospace -W <span class="hljs-string">&apos;aaa= bbb= ccc=&apos;</span>  hello

<span class="hljs-comment"># &#xB2E8;&#xC5B4;&#xB97C; &#xC644;&#xC131;&#xD558;&#xACE0; &#xB098;&#xC11C; &#xACF5;&#xBC31;&#xC744; &#xB744;&#xC6B0;&#xC9C0; &#xC54A;&#xB294;&#xB2E4;.</span>
$ hello aaa=[stop]
</code></pre>
<ul>
<li><p><strong>plusdirs</strong>  </p>
<p>&#xC0DD;&#xC131;&#xB41C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xC5D0; &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xC774;&#xB984;&#xC744; &#xCD94;&#xAC00; &#xD569;&#xB2C8;&#xB2E4;.
&#xB610;&#xD55C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xACFC; &#xB9E4;&#xCE6D;&#xB418;&#xB294; &#xD30C;&#xC77C;&#xC774; &#xC788;&#xC744;&#xACBD;&#xC6B0; &#xACF5;&#xBC31;, &#xD2B9;&#xC218;&#xBB38;&#xC790;&#xB97C; escape &#xD574;&#xC90D;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<pre><code class="lang-bash"><span class="hljs-comment"># &#xD604;&#xC7AC; &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xBAA9;&#xB85D;</span>
$ ls
<span class="hljs-number">2013</span>-<span class="hljs-number">03</span>-<span class="hljs-number">19</span> <span class="hljs-number">154412</span>.csv  address.ser  music/            ReadObject.java  WriteObject.class
Address.java           foo&amp;bar.cvs  ReadObject.class  video/           WriteObject.java

<span class="hljs-comment"># -o plusdirs &#xC635;&#xC158; &#xC124;&#xC815;</span>
$ complete -o plusdirs -W <span class="hljs-string">&apos;aaa bbb ccc&apos;</span> hello

<span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4; aaa bbb ccc &#xC678;&#xC5D0; &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xC774;&#xB984;&#xC774; &#xCD94;&#xAC00; &#xB418;&#xC5C8;&#xB2E4;</span>
$ hello [tab]
aaa    bbb    ccc    music/ video/
</code></pre>
<h4 id="w-wordlist">-W wordlist</h4>
<p>&#xC9C1;&#xC811; &#xC0DD;&#xC131;&#xD55C; &#xB2E8;&#xC5B4; &#xBAA9;&#xB85D;&#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC73C;&#xB85C; &#xC0AC;&#xC6A9;&#xD560;&#xB54C; &#xC0AC;&#xC6A9;&#xD569;&#xB2C8;&#xB2E4;.
&#xC774;&#xB54C; &#xB2E8;&#xC5B4;&#xB4E4;&#xC740; &#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; <code>$IFS</code> &#xAC12;&#xC5D0; &#xB530;&#xB77C; &#xBD84;&#xB9AC;&#xB429;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh">words=<span class="hljs-string">&quot;foo bar zoo&quot;</span>
complete -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span> hello     <span class="hljs-comment"># hello &#xBA85;&#xB839;&#xC5D0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xC124;&#xC815;&#xD560;&#xB54C;</span>
COMPREPLY=($(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span> -- <span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span>))   <span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC5D0;&#xC11C; COMPREPLY &#xBC30;&#xC5F4; &#xC124;&#xC815;&#xC2DC;</span>
</code></pre>
<p>&#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC774; multiple words &#xB85C; &#xAD6C;&#xC131;&#xB41C; &#xBB38;&#xC7A5;&#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC73C;&#xB85C; &#xC0AC;&#xC6A9;&#xD560; &#xC218;&#xB3C4; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xC774;&#xB54C;&#xB294; <code>COMPREPLY</code> &#xBC30;&#xC5F4; &#xC124;&#xC815;&#xC2DC; <code>IFS</code> &#xAC12;&#xC744; newline &#xC73C;&#xB85C; &#xC124;&#xC815;&#xD574;&#xC57C; &#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh"><span class="hljs-function"><span class="hljs-title">_hello</span></span>() 
{
    <span class="hljs-built_in">local</span> IFS=$<span class="hljs-string">&apos; \t\n&apos;</span> cur=<span class="hljs-variable">$2</span>
    <span class="hljs-built_in">local</span> words=<span class="hljs-string">&quot;
install
Linked Base for node-1 and node-2
hostname hosts setup
&quot;</span>
    IFS=$<span class="hljs-string">&apos;\n&apos;</span>
    COMPREPLY=($(compgen -P \<span class="hljs-string">&quot; -S \&quot; -W &quot;</span><span class="hljs-variable">$words</span><span class="hljs-string">&quot; -- &quot;</span><span class="hljs-variable">$cur</span><span class="hljs-string">&quot;))
    # &#xB610;&#xB294; quotes &#xC744; &#xBD99;&#xC774;&#xACE0; &#xC2F6;&#xC9C0; &#xC54A;&#xC73C;&#xBA74;
    # COMPREPLY=(<span class="hljs-variable">$(compgen -W &quot;$words&quot; -- &quot;$cur&quot;)</span>)
}
complete -F _hello hello

$ hello [tab]
&quot;</span>Linked Base <span class="hljs-keyword">for</span> node-<span class="hljs-number">1</span> and node-<span class="hljs-number">2</span><span class="hljs-string">&quot;  &quot;</span>install<span class="hljs-string">&quot;
&quot;</span>hostname hosts setup<span class="hljs-string">&quot;               

$ hello &quot;</span>Linked Ba[tab]     <span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xB41C;&#xB2E4;.</span>
</code></pre>
<p>&#xCD94;&#xCD9C;&#xD55C; &#xB2E8;&#xC5B4;&#xC5D0; &#xC774;&#xBBF8; quotes &#xC774; &#xD3EC;&#xD568;&#xB418;&#xC5B4; &#xC788;&#xB2E4;&#xBA74; &#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC774; <code>COMPREPLY</code> &#xB97C; &#xC124;&#xC815;&#xD558;&#xBA74; &#xB429;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh">words=<span class="hljs-string">&apos;
&quot;IDE Controller&quot;         # &#xCD94;&#xCD9C;&#xD55C; &#xB2E8;&#xC5B4;&#xC5D0; &#xC774;&#xBBF8; quotes &#xC774; &#xD3EC;&#xD568;&#xB428;
&quot;SATA Controller&quot;
&quot;SCSI Controller&quot;
&apos;</span>
IFS=$<span class="hljs-string">&apos;\n&apos;</span>
COMPREPLY=($(compgen -W <span class="hljs-string">&apos;$words&apos;</span> -- \\\<span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>))
</span></code></pre>
<p><code>-W</code> &#xC635;&#xC158; &#xAC12;&#xC73C;&#xB85C; &#xBCC0;&#xC218;&#xB97C; &#xC0AC;&#xC6A9;&#xD560;&#xB54C; single quotes &#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xBA74; &#xAC12;&#xC5D0; &#xD3EC;&#xD568;&#xB41C; quotes &#xC774; &#xC720;&#xC9C0;&#xB429;&#xB2C8;&#xB2E4; ( &#xC774;&#xAC83;&#xC740; &#xACB0;&#xACFC;&#xC801;&#xC73C;&#xB85C; <code>-W</code> &#xC635;&#xC158; &#xAC12;&#xC744; eval &#xD55C;&#xAC83;&#xACFC; &#xAC19;&#xC2B5;&#xB2C8;&#xB2E4; ).</p>
<pre><code class="lang-sh">$ words=<span class="hljs-string">&apos;
install
Linked Base for &quot;node-1&quot; and &quot;node-2&quot;    # &#xAC12;&#xC5D0; &quot; &quot; &#xC774; &#xD3EC;&#xD568;&#xB428;
hostname hosts setup
&apos;</span>
$ IFS=$<span class="hljs-string">&apos;\n&apos;</span> compgen -W <span class="hljs-string">&apos;$words&apos;</span>          <span class="hljs-comment"># -W &apos;$words&apos; (single quotes &#xC0AC;&#xC6A9;)</span>
install
Linked Base <span class="hljs-keyword">for</span> <span class="hljs-string">&quot;node-1&quot;</span> and <span class="hljs-string">&quot;node-2&quot;</span>    <span class="hljs-comment"># quotes &#xC774; &#xC720;&#xC9C0;&#xB41C;&#xB2E4;.</span>
hostname hosts setup

$ IFS=$<span class="hljs-string">&apos;\n&apos;</span> compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span>          <span class="hljs-comment"># -W &quot;$words&quot; (double quotes &#xC0AC;&#xC6A9;)</span>
install
Linked Base <span class="hljs-keyword">for</span> node-<span class="hljs-number">1</span> and node-<span class="hljs-number">2</span>        <span class="hljs-comment"># quotes &#xC774; &#xC81C;&#xAC70;&#xB41C;&#xB2E4;.</span>
hostname hosts setup
--------------------------------------

$ words=<span class="hljs-string">&apos;&quot;aa&quot; &quot;bb&quot; &quot;cc&quot;&apos;</span>

$ <span class="hljs-built_in">eval</span> <span class="hljs-built_in">echo</span> <span class="hljs-string">&apos;$words&apos;</span>          $ <span class="hljs-built_in">eval</span> <span class="hljs-built_in">echo</span> <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span>
<span class="hljs-string">&quot;aa&quot;</span> <span class="hljs-string">&quot;bb&quot;</span> <span class="hljs-string">&quot;cc&quot;</span>                aa bb cc
</code></pre>
<h4 id="g-globpat">-G globpat</h4>
<p>globbing &#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xB294;&#xB370; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ complete -G <span class="hljs-string">&quot;*.java&quot;</span> hello

$ hello [tab]
Address.java      ReadObject.java   WriteObject.java 

$ compgen -G <span class="hljs-string">&apos;*.java&apos;</span> 
Address.java
WriteObject.java
ReadObject.java

$ compgen -G <span class="hljs-string">&apos;*.java&apos;</span> -- Write      <span class="hljs-comment"># -- Write &#xC73C;&#xB85C; &#xD544;&#xD130;&#xB9C1;&#xC774; &#xB418;&#xC9C0; &#xC54A;&#xB294;&#xB2E4;.</span>
Address.java                        <span class="hljs-comment"># -G &#xC635;&#xC158;&#xC740; -X &#xC635;&#xC158;&#xC73C;&#xB85C; &#xD544;&#xD130;&#xB9C1;&#xC744; &#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</span>
WriteObject.java
ReadObject.java
</code></pre>
<h4 id="x-filterpat">-X filterpat</h4>
<p>&#xC774;&#xAC83;&#xC740; &#xC0DD;&#xC131;&#xB41C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xD328;&#xD134;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xD544;&#xD130;&#xB9C1; &#xD558;&#xB294; &#xAE30;&#xB2A5;&#xC785;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ compgen -G <span class="hljs-string">&apos;*.java&apos;</span> -X <span class="hljs-string">&apos;*Object*&apos;</span>
Address.java

$ complete -W <span class="hljs-string">&apos;aaa.x bbb.y ccc.z&apos;</span> -X <span class="hljs-string">&quot;*.z&quot;</span> hello

$ hello         <span class="hljs-comment"># &apos;*.z&apos; &#xD328;&#xD134;&#xC5D0; &#xC758;&#xD574; &apos;ccc.z&apos; &#xAC00; &#xD544;&#xD130;&#xB9C1; &#xB418;&#xC5C8;&#xB2E4;.</span>
aaa.x  bbb.y  

$ compgen -W <span class="hljs-string">&apos;aaa.x bbb.y ccc.z&apos;</span> -X <span class="hljs-string">&quot;*.z&quot;</span>
aaa.x
bbb.y
</code></pre>
<h4 id="p-prefix-s-suffix">-P prefix, -S suffix</h4>
<p>&#xC0DD;&#xC131;&#xB41C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984; &#xC55E;, &#xB4A4;&#xC5D0; prefix, suffix &#xB97C; &#xBD99;&#xC77C; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ complete -W <span class="hljs-string">&apos;aaa bbb ccc&apos;</span> -S <span class="hljs-string">&quot;/&quot;</span> hello

$ hello [tab]
aaa/  bbb/  ccc/  

$ compgen -A variable -P <span class="hljs-string">&quot;foo/&quot;</span> -S <span class="hljs-string">&quot;/&quot;</span>  -- BASH
foo/BASH/
foo/BASHOPTS/
foo/BASHPID/
. . .
<span class="hljs-comment"># compgen -j &#xCD9C;&#xB825;&#xAC12;&#xC774; vi &#xC77C;&#xACBD;&#xC6B0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC740; &quot;%vi&quot; &#xAC00; &#xB41C;&#xB2E4;.</span>
$ complete -j -P <span class="hljs-string">&apos;&quot;%&apos;</span> -S <span class="hljs-string">&apos;&quot;&apos;</span> <span class="hljs-built_in">disown</span>
</code></pre>
<h4 id="c">-C</h4>
<p>tab &#xD0A4;&#xB97C; &#xB204;&#xB97C; &#xB54C;&#xB9C8;&#xB2E4; <code>-C</code> &#xC635;&#xC158;&#xC73C;&#xB85C; &#xB4F1;&#xB85D;&#xD55C; &#xBA85;&#xB839;&#xC774; &#xC2E4;&#xD589;&#xB429;&#xB2C8;&#xB2E4;.
&#xC774;&#xB54C; &#xBA85;&#xB839;&#xC5D0;&#xB294; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC5D0;&#xC11C; &#xC0AC;&#xC6A9;&#xB418;&#xB294; <code>$1</code>( command ) <code>$2</code>( current ) <code>$3</code>( previous )
&#xC138; &#xAC1C;&#xC758; &#xBCC0;&#xC218;&#xAC12;&#xC774; &#xC778;&#xC218;&#xB85C; &#xC804;&#xB2EC;&#xB429;&#xB2C8;&#xB2E4;.
&#xC544;&#xB798;&#xB294; &#xAC12;&#xC774; &#xC5B4;&#xB5A4; &#xC2DD;&#xC73C;&#xB85C; &#xC804;&#xB2EC;&#xB418;&#xB294;&#xC9C0; &#xBCF4;&#xC774;&#xAE30; &#xC704;&#xD574;&#xC11C; test.sh &#xC5D0;&#xC11C; echo &#xBA85;&#xB839;&#xC744; &#xC0AC;&#xC6A9;&#xD588;&#xC9C0;&#xB9CC;
<code>-C</code> &#xC635;&#xC158;&#xC73C;&#xB85C; &#xB4F1;&#xB85D;&#xD55C; &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xCD9C;&#xB825;&#xAC12;&#xC774; &#xC0DD;&#xAE30;&#xBA74; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xC81C;&#xB300;&#xB85C; &#xB3D9;&#xC791;&#xD558;&#xC9C0; &#xC54A;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh">$ cat test.sh
<span class="hljs-shebang">#!/bin/sh</span>
<span class="hljs-built_in">echo</span> CMD:<span class="hljs-variable">$1</span>
<span class="hljs-built_in">echo</span> CUR:<span class="hljs-variable">$2</span>
<span class="hljs-built_in">echo</span> PRE:<span class="hljs-variable">$3</span>

$ complete -C ./test.sh -W <span class="hljs-string">&apos;xxx yyy zzz&apos;</span> hello

$ hello [tab]
CMD:hello  CUR:       PRE:hello  xxx        yyy        zzz

$ hello xx[tab]
CMD:hello  CUR:xx     PRE:hello  xxx

$ hello xx yy[tab]
CMD:hello  CUR:yy     PRE:xx     yyy

$ hello xx yy zz[tab]
CMD:hello  CUR:zz     PRE:yy     zzz
</code></pre>
<h4 id="d">-D</h4>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xC124;&#xC815;&#xB418;&#xC9C0; &#xC54A;&#xC740; &#xBA85;&#xB839;&#xB4E4;&#xC5D0; default &#xB85C; &#xC801;&#xC6A9;&#xD558;&#xAE30; &#xC704;&#xD574; &#xC0AC;&#xC6A9;</p>
<pre><code class="lang-sh"><span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xC124;&#xC815;&#xB418;&#xC9C0; &#xC54A;&#xC740; &#xBA85;&#xB839;&#xB4E4;&#xC5D0; &#xB514;&#xD3F4;&#xD2B8;&#xB85C; _completion_loader &#xD568;&#xC218;&#xB97C; &#xC801;&#xC6A9;</span>
<span class="hljs-comment"># _completion_loader &#xB294; bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xC5D0;&#xC11C; &#xC0AC;&#xC6A9;&#xD558;&#xB294; lazy loading &#xC704;&#xD55C; &#xD568;&#xC218;.</span>
$ complete -D -F _completion_loader

<span class="hljs-comment"># &#xD130;&#xBBF8;&#xB110;&#xC744; &#xC5F4;&#xACE0; &#xCC98;&#xC74C;&#xC5D0;&#xB294; find &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xB4F1;&#xB85D;&#xB418;&#xC5B4; &#xC788;&#xC9C0; &#xC54A;&#xB2E4;.</span>
$ complete -p find
bash: complete: find: no completion specification

<span class="hljs-comment"># tab &#xC744; &#xD55C;&#xBC88; &#xC785;&#xB825;&#xD574; &#xC8FC;&#xBA74; _completion_loader &#xC5D0;&#xC758;&#xD574; find &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xB4F1;&#xB85D;&#xB41C;&#xB2E4;.</span>
$ find [tab]

$ complete -p find
complete -F _find find
</code></pre>
<h4 id="e">-E</h4>
<p>&#xBA85;&#xB839; &#xB77C;&#xC778;&#xC774; empty &#xC0C1;&#xD0DC;&#xC77C; &#xB54C; &#xC801;&#xC6A9;&#xD558;&#xAE30; &#xC704;&#xD574; &#xC0AC;&#xC6A9;</p>
<h4 id="i">-I</h4>
<p>&#xBA85;&#xB839; &#xB77C;&#xC778;&#xC5D0;&#xC11C; &#xCC98;&#xC74C;&#xB2E8;&#xC5B4; ( initial word ) &#xC5D0; &#xC801;&#xC6A9;&#xD558;&#xAE30; &#xC704;&#xD574; &#xC0AC;&#xC6A9;</p>
<pre><code class="lang-sh">$ LD_[tab]      <span class="hljs-comment"># &#xD604;&#xC7AC; &#xC2DC;&#xC2A4;&#xD15C;&#xC5D0; LD_ &#xB85C; &#xC2DC;&#xC791;&#xD558;&#xB294; &#xBA85;&#xB839;&#xC740; &#xC5C6;&#xB294;&#xC0C1;&#xD0DC;</span>
$
$ complete -I -W <span class="hljs-string">&quot;LD_BIND_NOW LD_DEBUG LD_LIBRARY_PATH LD_PRELOAD&quot;</span>

$ LD_[tab]      <span class="hljs-comment"># initial word &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xB41C;&#xB2E4;.</span>
LD_BIND_NOW          LD_DEBUG         LD_LIBRARY_PATH  LD_PRELOAD 

$ [tab]         <span class="hljs-comment"># &#xBA85;&#xB839; &#xB77C;&#xC778;&#xC774; empty &#xC0C1;&#xD0DC;&#xC77C;&#xB54C;</span>
$
$ complete -E -W <span class="hljs-string">&quot;LD_BIND_NOW LD_DEBUG LD_LIBRARY_PATH LD_PRELOAD&quot;</span>

$ [tab]         <span class="hljs-comment"># empty &#xC0C1;&#xD0DC;&#xC5D0;&#xC11C; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xB41C;&#xB2E4;.</span>
LD_BIND_NOW          LD_DEBUG         LD_LIBRARY_PATH  LD_PRELOAD
</code></pre>
<h2 id="&#xC790;&#xB3D9;&#xC644;&#xC131;-&#xD568;&#xC218;">&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;</h2>
<p>&#xC704;&#xC5D0;&#xC11C; &#xC5EC;&#xB7EC;&#xAC00;&#xC9C0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xB294; &#xBC29;&#xBC95;&#xC744; &#xC0B4;&#xD3B4;&#xBCF4;&#xC558;&#xC9C0;&#xB9CC; &#xC0AC;&#xC2E4; &#xC8FC;&#xB85C; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xBC29;&#xBC95;&#xC740;
<code>-F</code> &#xC635;&#xC158;&#xC744; &#xC774;&#xC6A9;&#xD55C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xC785;&#xB2C8;&#xB2E4;.
&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB294; &#xC77C;&#xBC18; &#xD568;&#xC218;&#xC640; &#xAC19;&#xACE0; &#xC815;&#xC758;&#xB420; &#xB54C; alias &#xAC00; &#xD655;&#xC7A5;&#xB429;&#xB2C8;&#xB2E4;.
&#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; export &#xD558;&#xC9C0; &#xC54A;&#xC73C;&#xBBC0;&#xB85C; &#xD604;&#xC7AC; &#xD504;&#xB86C;&#xD504;&#xD2B8; shell &#xC5D0;&#xC11C;&#xB9CC; &#xC2E4;&#xD589;&#xC774;&#xB418;&#xACE0; &#xB610;&#xD55C;
bash &#xC5D0;&#xC11C;&#xB9CC; &#xC0AC;&#xC6A9;&#xB418;&#xB294; &#xD568;&#xC218;&#xC774;&#xBBC0;&#xB85C; bash &#xAC00; &#xAC00;&#xC9C0;&#xB294; &#xC5EC;&#xB7EC; &#xAC00;&#xC9C0; &#xD655;&#xC7A5; &#xAE30;&#xB2A5;&#xC744; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC758; &#xC774;&#xB984;&#xC744; &#xC9C0;&#xC744;&#xB54C;&#xB294; &#xBCF4;&#xD1B5; &#xB2E4;&#xB978; &#xBA85;&#xB839;&#xACFC; &#xCDA9;&#xB3CC;&#xB418;&#xC9C0; &#xC54A;&#xAC8C; <code>_</code> &#xBB38;&#xC790;&#xB85C; &#xC2DC;&#xC791;&#xC744; &#xD569;&#xB2C8;&#xB2E4;.</p>
<blockquote>
<p>&#xD504;&#xB86C;&#xD504;&#xD2B8; &#xC0C1;&#xC5D0;&#xC11C; <code>_[tab]</code> &#xC744; &#xC785;&#xB825;&#xD574; &#xBCF4;&#xBA74; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xBAA9;&#xB85D;&#xC744; &#xBCFC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
</blockquote>
<h4 id="&#xD568;&#xC218;-&#xB0B4;&#xC5D0;&#xC11C;-&#xC790;&#xB3D9;&#xC73C;&#xB85C;-&#xC124;&#xC815;&#xB418;&#xB294;-&#xBCC0;&#xC218;&#xB4E4;">&#xD568;&#xC218; &#xB0B4;&#xC5D0;&#xC11C; &#xC790;&#xB3D9;&#xC73C;&#xB85C; &#xC124;&#xC815;&#xB418;&#xB294; &#xBCC0;&#xC218;&#xB4E4;</h4>
<p><code>$1</code> , <code>$2</code> , <code>$3</code> &#xC138; &#xAC1C;&#xC758; &#xBCC0;&#xC218;&#xAC00; &#xC815;&#xC758;&#xB418;&#xACE0; &#xC758;&#xBBF8;&#xB294; &#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC2B5;&#xB2C8;&#xB2E4;. (<code>$#</code> == 3)</p>
<pre><code class="lang-bash">mycomm ubuntu fedora arch[tab]
   \            |        \
    \_ <span class="hljs-variable">$1</span>       |_ <span class="hljs-variable">$3</span>     \_ <span class="hljs-variable">$2</span>
  (<span class="hljs-built_in">command</span>)  (previous)  (current)
</code></pre>
<ul>
<li><p><strong>COMP_WORDS</strong></p>
<p>&#xD604;&#xC7AC;&#xAE4C;&#xC9C0; &#xC785;&#xB825;&#xD55C; &#xBA85;&#xB839; &#xB77C;&#xC778;&#xC758; &#xC778;&#xC218;&#xB4E4;&#xC744; &#xAC12;&#xC73C;&#xB85C; &#xAC00;&#xC9C0;&#xACE0; &#xC788;&#xB294; array &#xBCC0;&#xC218;&#xC785;&#xB2C8;&#xB2E4;.
&#xC704;&#xC758; &#xC608;&#xC5D0;&#xC11C;&#xB294; <code>COMP_WORDS[0]=mycomm</code>, <code>COMP_WORDS[1]=ubuntu</code>, <code>COMP_WORDS[2]=fedora</code>, 
<code>COMP_WORDS[3]=arch</code> &#xAC00; &#xB429;&#xB2C8;&#xB2E4;. </p>
</li>
</ul>
<pre><code class="lang-sh">mycomm ubuntu fedora arch[tab]    <span class="hljs-comment"># ${#COMP_WORDS[@]} == 4, $COMP_CWORD == 3</span>
mycomm ubuntu fedora [tab]        <span class="hljs-comment"># ${#COMP_WORDS[@]} == 4, $COMP_CWORD == 3</span>
</code></pre>
<ul>
<li><p><strong>COMP_CWORD</strong></p>
<p>&#xD604;&#xC7AC; &#xCEE4;&#xC11C;&#xAC00; &#xC704;&#xCE58;&#xD55C; &#xC778;&#xC218;&#xC758; index &#xB97C; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;. &#xC704;&#xC758; &#xC608;&#xC5D0;&#xC11C;&#xB294; 3 &#xC774; &#xB429;&#xB2C8;&#xB2E4;. &#xB530;&#xB77C;&#xC11C;
<code>$2</code> &#xB294; <code>${COMP_WORDS[COMP_CWORD]}</code> &#xC640; &#xAC19;&#xACE0; <code>$3</code> &#xC740; <code>${COMP_WORDS[COMP_CWORD-1]}</code> &#xC640; &#xAC19;&#xAC8C; &#xB429;&#xB2C8;&#xB2E4;.
&#xBA85;&#xB839; &#xB77C;&#xC778;&#xC5D0;&#xC11C; &#xCEE4;&#xC11C;&#xB97C; &#xC67C;&#xCABD;&#xC73C;&#xB85C; &#xC774;&#xB3D9;&#xD558;&#xBA74; &#xADF8;&#xC5D0;&#xB530;&#xB77C; <code>$COMP_CWORD</code>, <code>$2</code>, <code>$3</code> &#xAC12;&#xB3C4; &#xBCC0;&#xACBD;&#xB429;&#xB2C8;&#xB2E4;.</p>
</li>
<li><p><strong>COMP_LINE</strong></p>
<p>&#xD604;&#xC7AC; &#xD504;&#xB86C;&#xD504;&#xD2B8; &#xC0C1;&#xC5D0;&#xC11C; &#xC791;&#xC131; &#xC911;&#xC778; &#xBA85;&#xB839; &#xB77C;&#xC778; &#xC804;&#xCCB4;&#xB97C; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.
&#xBCC0;&#xC218;, &#xBA85;&#xB839;&#xCE58;&#xD658;, quotes &#xB4F1;&#xC774; &#xD655;&#xC7A5;&#xC5C6;&#xC774; &#xBB38;&#xC790; &#xADF8;&#xB300;&#xB85C; &#xD3EC;&#xD568;&#xB429;&#xB2C8;&#xB2E4;.</p>
</li>
<li><p><strong>COMP_POINT</strong></p>
<p>&#xBA85;&#xB839; &#xB77C;&#xC778;&#xC5D0;&#xC11C; &#xD604;&#xC7AC; &#xCEE4;&#xC11C;&#xAC00; &#xC704;&#xCE58;&#xD55C; &#xBB38;&#xC790;&#xC218; index &#xB97C; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.</p>
</li>
<li><p><strong>COMPREPLY</strong></p>
<p>array &#xBCC0;&#xC218;&#xB85C;, &#xC5EC;&#xB7EC; &#xBC29;&#xBC95;&#xC744; &#xD1B5;&#xD574; &#xB9CC;&#xB4E4;&#xC5B4;&#xC9C4; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xCD5C;&#xC885;&#xC801;&#xC73C;&#xB85C; &#xC774; &#xBCC0;&#xC218;&#xC5D0; &#xB123;&#xC740; &#xD6C4; &#xB9AC;&#xD134;&#xD558;&#xAC8C; &#xB429;&#xB2C8;&#xB2E4;.
&#xADF8;&#xB7FC; tab &#xD0A4;&#xB97C; &#xC774;&#xC6A9;&#xD55C; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC2DC;&#xC5D0; &#xC774; &#xBCC0;&#xC218;&#xC758; &#xAC12;&#xB4E4;&#xC774; &#xC0AC;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;.
&#xAC12;&#xC774; &#xCD9C;&#xB825;&#xB420; &#xB54C;&#xB294; &#xC790;&#xB3D9;&#xC73C;&#xB85C; &#xC911;&#xBCF5;&#xC774; &#xC81C;&#xAC70;&#xB418;&#xACE0; sort &#xB418;&#xC5B4; &#xCD9C;&#xB825;&#xB429;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131;&#xC5D0;&#xC11C; current, previous .. &#xAC12;&#xC774; &#xC124;&#xC815;&#xB418;&#xB294; &#xAC83;&#xC740; <code>$IFS</code> &#xAC12;&#xC744; &#xB530;&#xB974;&#xB294; &#xAC83;&#xC774; &#xC544;&#xB2C8;&#xB77C;
<code>$COMP_WORDBREAKS</code> &#xBCC0;&#xC218;&#xC5D0; &#xC124;&#xC815;&#xB41C; &#xAC12;&#xC744; &#xB530;&#xB985;&#xB2C8;&#xB2E4;.
&#xB530;&#xB77C;&#xC11C; &#xC2A4;&#xD2B8;&#xB9C1;&#xC774; &#xACF5;&#xBC31;&#xC5C6;&#xC774; &#xBD99;&#xC5B4; &#xC788;&#xC5B4;&#xB3C4; &#xAD6C;&#xBD84;&#xD574;&#xC11C; &#xCC98;&#xB9AC;&#xD560;&#xC218;&#xAC00; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xC608;&#xB97C;&#xB4E4;&#xC5B4; <code>--foo=[&#xCEE4;&#xC11C;]</code> &#xC0C1;&#xD0DC;&#xC5D0;&#xC11C; tab &#xD0A4;&#xB97C; &#xB204;&#xB974;&#xBA74; <code>=</code> &#xBB38;&#xC790;&#xC640; <code>--foo</code> &#xAC12;&#xC744; &#xCC38;&#xC870;&#xD574;&#xC11C;
&#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xC0DD;&#xC131;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ <span class="hljs-built_in">echo</span> -n <span class="hljs-string">&quot;<span class="hljs-variable">$COMP_WORDBREAKS</span>&quot;</span> | od -tax1
<span class="hljs-number">0000000</span>  sp  ht  nl   <span class="hljs-string">&quot;   &apos;  &gt;   &lt;   =   ;   |   &amp;   (   :
         20  09  0a  22  27  3e  3c  3d  3b  7c  26  28  3a

$ command --foo=[tab]                       $ command --foo [tab]
# current: =      previous: --foo           # current: empty     previous: --foo

$ command --foo=bar[tab]
# current: bar    previous: =
</span></code></pre>
<p>&#xBCC0;&#xC218; &#xC0AC;&#xC6A9;&#xC2DC; &#xCC38;&#xACE0;&#xD560; &#xC0AC;&#xD56D;&#xC740; &#xB9CC;&#xC57D;&#xC5D0; current &#xC5D0; &#xD574;&#xB2F9;&#xD558;&#xB294; &#xAC12;&#xC774; <code>$COMP_WORDBREAKS</code> &#xBCC0;&#xC218;&#xC5D0;
&#xD3EC;&#xD568;&#xB41C; &#xBB38;&#xC790;&#xC77C; &#xACBD;&#xC6B0; ( ex. &quot;=&quot; ) <code>$2</code> &#xBCC0;&#xC218;&#xAC12;&#xC740; empty &#xAC00; &#xB429;&#xB2C8;&#xB2E4;. 
&#xC774;&#xB54C; &#xD574;&#xB2F9; &#xBB38;&#xC790;&#xAC12;&#xC744; &#xAD6C;&#xD558;&#xACE0; &#xC2F6;&#xC73C;&#xBA74; <code>$2</code> &#xBCC0;&#xC218; &#xB300;&#xC2E0;&#xC5D0;
<code>${COMP_WORDS[COMP_CWORD]}</code> &#xB97C; &#xC0AC;&#xC6A9;&#xD574;&#xC57C; &#xB429;&#xB2C8;&#xB2E4;.
&#xC774;&#xAC83;&#xC740; &#xC2A4;&#xD06C;&#xB9BD;&#xD2B8; &#xC791;&#xC131; &#xD3B8;&#xC758;&#xB97C; &#xC704;&#xD574; &#xC758;&#xB3C4;&#xB41C; &#xAE30;&#xB2A5;&#xC73C;&#xB85C; &#xB9CC;&#xC57D;&#xC5D0; current &#xAC12;&#xC5D0;
<code>$COMP_WORDBREAKS</code> &#xBB38;&#xC790;&#xAC00; &#xB4E4;&#xC5B4;&#xC788;&#xC73C;&#xBA74; tab &#xD0A4;&#xB97C; &#xB20C;&#xB800;&#xC744;&#xB54C; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xC2DC;&#xC791;&#xB418;&#xC9C0; &#xC54A;&#xACA0;&#xC8E0;.</p>
<pre><code class="lang-sh">$ <span class="hljs-built_in">command</span> --foo=[tab]
<span class="hljs-comment"># $2: empty     $3: --foo     ${COMP_WORDS[COMP_CWORD]}: =</span>

-----------------------------------------------------------

$ <span class="hljs-built_in">command</span> --foo=abcdefg       <span class="hljs-comment"># abc[tab]defg &#xC640; &#xAC19;&#xC774; &#xB2E8;&#xC5B4; &#xC911;&#xAC04;&#xC5D0;&#xC11C; tab &#xC744; &#xB20C;&#xB800;&#xC744; &#xACBD;&#xC6B0;</span>
<span class="hljs-comment"># $2: abc       $3: =         ${COMP_WORDS[COMP_CWORD]}: abcdefg</span>
</code></pre>
<p><code>&quot;</code>, <code>&apos;</code> quotes &#xBB38;&#xC790;&#xB294; &#xB530;&#xB85C; &#xBD84;&#xB9AC;&#xB418;&#xC9C0; &#xC54A;&#xACE0; &#xAC12;&#xC5D0; &#xD3EC;&#xD568;&#xB418;&#xB294;&#xB370; current &#xC5D0; &#xD574;&#xB2F9;&#xD558;&#xB294; 
<code>$2</code> &#xC5D0;&#xB294; &#xD3EC;&#xD568;&#xB418;&#xC9C0; &#xC54A;&#xACE0; <code>${COMP_WORDS[COMP_WORDS]}</code> &#xC5D0;&#xB294; &#xD3EC;&#xD568;&#xB429;&#xB2C8;&#xB2E4;.
quotes &#xC774; &#xC644;&#xC131;&#xB418;&#xACE0; &#xB09C;&#xD6C4;&#xC5D0;&#xB294; previous &#xC5D0; &#xD574;&#xB2F9;&#xD558;&#xB294; <code>$3</code>, <code>${COMP_CWORD[COMP_CWORD-1]}</code>
&#xAC12;&#xC5D0;&#xB294; &#xBAA8;&#xB450; quotes &#xC774; &#xD3EC;&#xD568;&#xB429;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh">$ <span class="hljs-built_in">command</span> --foo=<span class="hljs-string">&quot;bar[tab]
# <span class="hljs-variable">$2</span>: bar       <span class="hljs-variable">$3</span>: =        <span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span>: &quot;</span>bar

$ <span class="hljs-built_in">command</span> --foo=<span class="hljs-string">&quot;bar&quot;</span> [tab]
<span class="hljs-comment"># $2: empty     $3: &quot;bar&quot;    ${COMP_WORDS[COMP_CWORD-1]}: &quot;bar&quot;</span>
</code></pre>
<h5 id="bashcompletion-&#xD328;&#xD0A4;&#xC9C0;">bash-completion &#xD328;&#xD0A4;&#xC9C0;</h5>
<p>&#xB300;&#xBD80;&#xBD84;&#xC758; &#xB9AC;&#xB205;&#xC2A4; &#xBC30;&#xD3EC;&#xBCF8;&#xC5D0; &#xAE30;&#xBCF8;&#xC73C;&#xB85C; &#xC124;&#xCE58;&#xB418;&#xB294; bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xB294; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C;
&#xC791;&#xC131;&#xD560;&#xB54C; &#xC0AC;&#xC6A9;&#xD560;&#xC218; &#xC788;&#xAC8C; &#xC5EC;&#xB7EC; &#xD568;&#xC218;&#xB4E4;&#xC744; &#xC81C;&#xACF5;&#xD558;&#xB294;&#xB370; &#xB9CE;&#xC740; gnu &#xBA85;&#xB839;&#xB4E4;&#xC774; &#xC774; &#xD568;&#xC218;&#xB97C; &#xC774;&#xC6A9;&#xD574;&#xC11C;
&#xC791;&#xC131;&#xB418;&#xC5B4; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. &#xC774; &#xD328;&#xD0A4;&#xC9C0;&#xB97C; &#xC124;&#xCE58;&#xD558;&#xBA74; &#xC0AC;&#xC6A9;&#xD560;&#xC218; &#xC788;&#xB294; &#xB3C5;&#xD2B9;&#xD55C; &#xAE30;&#xB2A5;&#xC774;
&#xBA85;&#xB839; &#xB77C;&#xC778;&#xC5D0;&#xC11C; &#xB2E4;&#xB978; &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xD638;&#xCD9C;&#xD560;&#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh">$ sudo hello --foo [tab]
$ find . -exec hello --foo [tab]     <span class="hljs-comment"># find &#xBA85;&#xB839; &#xB77C;&#xC778;&#xC5D0;&#xC11C; hello &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131;</span>
$ gdb --args hello --foo [tab]       <span class="hljs-comment"># &#xD568;&#xC218;&#xB97C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xB2E4;. (find &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131;</span>
$ strace hello --foo [tab]           <span class="hljs-comment"># &#xD568;&#xC218;&#xAC00; hello &#xBA85;&#xB839;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xD638;&#xCD9C;)</span>
</code></pre>
<p>&#xBB38;&#xC81C;&#xB294; &#xC774;&#xC640;&#xAC19;&#xC740; &#xAE30;&#xB2A5;&#xC744; &#xAD6C;&#xD604;&#xD558;&#xAE30; &#xC704;&#xD574;&#xC11C; bash &#xC5D0;&#xC11C; default &#xB85C; &#xC124;&#xC815;&#xB418;&#xB294; <code>$2</code>, <code>$3</code>
&#xBCC0;&#xC218;&#xAC12;&#xC744; &#xBCC0;&#xACBD;&#xD569;&#xB2C8;&#xB2E4; ( &#xBCC0;&#xACBD;&#xD558;&#xC9C0; &#xC54A;&#xAC8C; &#xB9CC;&#xB4E4;&#xC218;&#xB3C4; &#xC788;&#xB294;&#xB370; ).
&#xB530;&#xB77C;&#xC11C; bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xB97C; &#xC9C0;&#xC6D0;&#xD558;&#xB824;&#xBA74; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xC791;&#xC131;&#xD560;&#xB54C; &#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC740; &#xADDC;&#xCE59;&#xC744;
&#xB530;&#xB77C;&#xC57C; &#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh"><span class="hljs-comment"># bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xC5D0;&#xC11C; $2 &#xAC12;&#xC740; ${COMP_WORDS[COMP_CWORD]} &#xB85C; &#xBCC0;&#xACBD;&#xD558;&#xACE0; $3 &#xAC12;&#xC740; empty</span>
<span class="hljs-comment"># &#xAC00; &#xB418;&#xB294; &#xACBD;&#xC6B0;&#xAC00; &#xC788;&#xC73C;&#xBBC0;&#xB85C; current &#xC640; previous &#xAC12;&#xC744; &#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC774; &#xC124;&#xC815;&#xD574;&#xC11C; &#xC0AC;&#xC6A9;&#xD574;&#xC57C; &#xD569;&#xB2C8;&#xB2E4;.</span>

<span class="hljs-built_in">local</span> cmd=<span class="hljs-variable">$1</span> cur=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span> prev=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD-1]}</span>
[[ <span class="hljs-variable">${COMP_LINE:COMP_POINT-1:1}</span> = <span class="hljs-string">&quot; &quot;</span> ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>

<span class="hljs-comment"># &#xC704;&#xC5D0;&#xC11C; &#xB450;&#xBC88;&#xC9F8; &#xB77C;&#xC778;&#xC740; &#xB2E4;&#xC74C;&#xACFC;&#xAC19;&#xC740; &#xACBD;&#xC6B0; &#xB54C;&#xBB38;&#xC5D0; &#xD544;&#xC694;&#xD569;&#xB2C8;&#xB2E4;.</span>
$ hello <span class="hljs-operator">-a</span> foo -b bar      <span class="hljs-comment"># &#xC774; &#xC0C1;&#xD0DC;&#xC5D0;&#xC11C; &#xC0AC;&#xC6A9;&#xC790;&#xAC00; -a &#xC635;&#xC158; &#xAC12;&#xC744; &#xBCC0;&#xACBD;&#xD558;&#xB824;&#xACE0; &#xD568;</span>
$ hello <span class="hljs-operator">-a</span> [tab]-b bar     <span class="hljs-comment"># $2: empty    ${COMP_WORDS[COMP_CWORD]}: -b</span>

<span class="hljs-comment"># &#xC0AC;&#xC2E4; bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xB9CC; &#xC544;&#xB2C8;&#xBA74; &#xC800;&#xB7F0;&#xAC83; &#xB2E4; &#xD544;&#xC694;&#xC5C6;&#xACE0; &#xC544;&#xB798; &#xD55C;&#xC904;&#xC774;&#xBA74; &#xB429;&#xB2C8;&#xB2E4;.</span>
<span class="hljs-comment"># &#xCC98;&#xC74C;&#xC5D0; &#xC798;&#xBABB;&#xB9CC;&#xB4E0;&#xAC83;&#xC744; &#xACE0;&#xCE58;&#xC9C0; &#xC54A;&#xACE0; &#xACC4;&#xC18D; &#xC368;&#xC640;&#xC11C; &#xC5B4;&#xCA54;&#xC218; &#xC5C6;&#xC2B5;&#xB2C8;&#xB2E4;. &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xB9CC;&#xB4DC;&#xB294;&#xAC8C;</span>
<span class="hljs-comment"># &#xADF8;&#xB807;&#xAC8C; &#xC5B4;&#xB824;&#xC6B4;&#xAC8C; &#xC544;&#xB2CC;&#xB370; &#xC774;&#xB7F0;&#xAC83;&#xB4E4; &#xB54C;&#xBB38;&#xC5D0; &#xC0AC;&#xB78C;&#xB4E4;&#xC774; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xC798; &#xC548;&#xB9CC;&#xB4E4;&#xB824;&#xACE0; &#xD569;&#xB2C8;&#xB2E4;.</span>
<span class="hljs-built_in">local</span> cmd=<span class="hljs-variable">$1</span> cur=<span class="hljs-variable">$2</span> prev=<span class="hljs-variable">$3</span>
</code></pre>
<h4 id="compgen-&#xBA85;&#xB839;">compgen &#xBA85;&#xB839;</h4>
<p>&#xC774; &#xBA85;&#xB839;&#xC740; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC774;&#xB984;&#xC744; &#xC0DD;&#xC131;&#xD558;&#xB294;&#xB370; &#xC0AC;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;.
&#xC55E;&#xC11C; &#xC18C;&#xAC1C;&#xD55C; complete &#xBA85;&#xB839;&#xC758; &#xC635;&#xC158;&#xB4E4;&#xC744; &#xAC70;&#xC758; &#xB3D9;&#xC77C;&#xD558;&#xAC8C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xD55C;&#xAC00;&#xC9C0; &#xC720;&#xC6A9;&#xD55C; &#xAE30;&#xB2A5;&#xC740; &#xB9C8;&#xC9C0;&#xB9C9;&#xC5D0; <code>-- word</code> &#xB97C; &#xC778;&#xC218;&#xB85C; &#xC8FC;&#xBA74; word &#xC640; &#xB9E4;&#xCE6D;&#xB418;&#xB294; &#xB2E8;&#xC5B4;&#xB4E4;&#xB9CC; &#xC120;&#xD0DD;&#xB418;&#xAC8C; &#xB429;&#xB2C8;&#xB2E4;.
&#xADF8;&#xB7EC;&#xBBC0;&#xB85C; &#xC8FC;&#xB85C; <code>COMPREPLY</code> &#xBC30;&#xC5F4;&#xC5D0; &#xAC12;&#xC744; &#xC800;&#xC7A5;&#xD558;&#xB294; &#xC6A9;&#xB3C4;&#xB85C; &#xC0AC;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash"><span class="hljs-comment"># &#xB9C8;&#xC9C0;&#xB9C9;&#xC5D0; &apos;-- word&apos; &#xC778;&#xC218;&#xB97C; &#xC8FC;&#xBA74; &#xB9E4;&#xCE6D;&#xB418;&#xB294; &#xB2E8;&#xC5B4;&#xB4E4;&#xB9CC; &#xB098;&#xC628;&#xB2E4;</span>
$ compgen -W <span class="hljs-string">&apos;a111 b222 b333 c444&apos;</span> -- b
b222
b333
-------------------------------------

COMPREPLY=( $(compgen <span class="hljs-operator">-d</span> -- <span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span>) )      <span class="hljs-comment"># &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xC774;&#xB984;&#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB85C; &#xC0AC;&#xC6A9;</span>
</code></pre>
<h4 id="compopt-&#xBA85;&#xB839;">compopt &#xBA85;&#xB839;</h4>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xC2E4;&#xD589;&#xC911;&#xC5D0; &#xC55E;&#xC11C; &#xC18C;&#xAC1C;&#xD55C; &#xC635;&#xC158;&#xC744; compopt &#xBA85;&#xB839;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xBCC0;&#xACBD;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
<code>COMPREPLY</code> &#xBC30;&#xC5F4; &#xAC12;&#xC774; empty &#xAC00; &#xB418;&#xC5B4; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xD560; &#xB2E8;&#xC5B4;&#xAC00; &#xC5C6;&#xC744; &#xACBD;&#xC6B0; 
complete &#xB4F1;&#xB85D;&#xC2DC; &#xC0AC;&#xC6A9;&#xB41C; &#xC635;&#xC158; &#xC774;&#xB098; compopt &#xBA85;&#xB839;&#xC73C;&#xB85C; &#xC124;&#xC815;&#xD55C; &#xC635;&#xC158;&#xC774; &#xC801;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh"><span class="hljs-comment"># COMPREPLY &#xAC12;&#xC774; empty &#xC5EC;&#xC11C; &#xC644;&#xC131;&#xD560; &#xB2E8;&#xC5B4;&#xAC00; &#xC5C6;&#xC744;&#xACBD;&#xC6B0;</span>
<span class="hljs-comment"># &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xBAA9;&#xB85D;&#xC744; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB85C; &#xC0AC;&#xC6A9;&#xD569;&#xB2C8;&#xB2E4;.</span>

<span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$prev</span> == @(<span class="hljs-operator">-d</span>|--datadir) ]]; <span class="hljs-keyword">then</span>
    compopt -o dirnames
<span class="hljs-keyword">fi</span>    
---------------------------------------

<span class="hljs-comment"># tab &#xD0A4;&#xB97C; &#xB204;&#xB974;&#xBA74; &#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xC785;&#xB825;&#xD558;&#xACE0; space &#xB97C; &#xB744;&#xC6B0;&#xB294;&#xB370;</span>
<span class="hljs-comment"># &#xC644;&#xC131;&#xD560; &#xB2E8;&#xC5B4;&#xAC00; &apos;string=&apos; &#xD615;&#xC2DD;&#xC77C;&#xACBD;&#xC6B0; space &#xB97C; &#xB744;&#xC6B0;&#xC9C0; &#xC54A;&#xAC8C;&#xD569;&#xB2C8;&#xB2E4;.</span>

[[ <span class="hljs-variable">${COMPREPLY: -1}</span> == <span class="hljs-string">&quot;=&quot;</span> ]] &amp;&amp; compopt -o nospace
</code></pre>
<h4 id="&#xC790;&#xB3D9;&#xC644;&#xC131;-&#xD568;&#xC218;-&#xC791;&#xC131;&#xC2DC;-&#xC8FC;&#xC758;&#xD560;-&#xC810;">&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xC791;&#xC131;&#xC2DC; &#xC8FC;&#xC758;&#xD560; &#xC810;.</h4>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xB0B4;&#xC5D0;&#xC11C; <code>$1</code> &#xBCC0;&#xC218;&#xB098; <code>${COMP_WORDS[0]}</code> &#xAC12;&#xC740; &#xBA85;&#xB839; &#xC774;&#xB984;&#xC744; &#xB098;&#xD0C0;&#xB0B4;&#xB294;&#xB370;&#xC694;.
&#xC774; &#xAC12;&#xC5D0;&#xB294; &#xACBD;&#xB85C;&#xB3C4; &#xD3EC;&#xD568;&#xC774; &#xB429;&#xB2C8;&#xB2E4;. &#xB530;&#xB77C;&#xC11C; <code>foo</code> &#xB77C;&#xB294; &#xBA85;&#xB839;&#xC774; &#xC788;&#xC744; &#xACBD;&#xC6B0; &#xBA85;&#xB839; &#xC2E4;&#xD589; &#xBC29;&#xC2DD;&#xC5D0; &#xB530;&#xB77C;
&#xBCC0;&#xC218;&#xAC12;&#xC740;  <code>foo</code> &#xAC00; &#xB420; &#xC218;&#xB3C4; &#xC788;&#xACE0;  <code>./foo</code>, <code>/home/mug896/bin/foo</code>, <code>~/bin/foo</code>
&#xC640; &#xAC19;&#xC740; &#xD615;&#xD0DC;&#xAC00; &#xB420; &#xC218;&#xB3C4; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xB9CC;&#xC57D;&#xC5D0; &#xD558;&#xB098;&#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xC2A4;&#xD06C;&#xB9BD;&#xD2B8;&#xB85C; &#xBCF5;&#xC218;&#xAC1C;&#xC758; &#xBA85;&#xB839;&#xC744; &#xC9C0;&#xC6D0;&#xD560; &#xACBD;&#xC6B0; &#xD568;&#xC218; &#xB0B4;&#xC5D0;&#xC11C; &#xBA85;&#xB839; &#xC774;&#xB984;&#xC744; 
&#xAC00;&#xC9C0;&#xACE0; &#xAD6C;&#xBD84;&#xC744; &#xD558;&#xAC8C; &#xB418;&#xB294;&#xB370; &#xC774;&#xB54C;&#xB294; <code>cmd=${1##*/}</code> &#xC640; &#xAC19;&#xC740; &#xBC29;&#xBC95;&#xC73C;&#xB85C; &#xACBD;&#xB85C; &#xBD80;&#xBD84;&#xC744; &#xC81C;&#xC678;&#xD574; 
&#xC0AC;&#xC6A9;&#xD558;&#xACE0;, &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xC81C;&#xACF5;&#xD558;&#xB294; help &#xBA54;&#xC2DC;&#xC9C0;&#xB97C; &#xC800;&#xC7A5;&#xD560; &#xB54C;&#xB294; <code>help=$( $1 --help )</code> &#xC640; &#xAC19;&#xC740;
&#xBC29;&#xBC95;&#xC744; &#xC0AC;&#xC6A9;&#xD574;&#xC57C;&#xACA0;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<h2 id="&#xC608;&#xC81C;-">&#xC608;&#xC81C; )</h2>
<p>&#xB2E4;&#xC74C;&#xC740; &#xAC04;&#xB2E8;&#xD558;&#xAC8C; 2 &#xB2E8;&#xACC4;&#xC758; &#xC635;&#xC158;&#xC744; &#xCC98;&#xB9AC;&#xD558;&#xB294; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC785;&#xB2C8;&#xB2E4;.
&#xC790;&#xB3D9;&#xC644;&#xC131;&#xC5D0; &#xC0AC;&#xC6A9;&#xB418;&#xB294; &#xB2E8;&#xC5B4;&#xB294; &#xC9C1;&#xC811; &#xC785;&#xB825;&#xD558;&#xC600;&#xC73C;&#xB098; &#xAF2D; &#xADF8;&#xB7F4; &#xD544;&#xC694;&#xB294; &#xC5C6;&#xACE0; &#xC5EC;&#xB7EC; &#xC720;&#xD2F8;&#xB9AC;&#xD2F0; &#xD504;&#xB85C;&#xADF8;&#xB7A8;&#xC744; &#xD65C;&#xC6A9;&#xD574; &#xC0DD;&#xC131;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xCD5C;&#xC885;&#xC801;&#xC73C;&#xB85C; <code>COMPREPLY</code> &#xBC30;&#xC5F4;&#xC5D0; &#xB2E8;&#xC5B4;&#xB4E4;&#xC744; &#xB123;&#xC5B4;&#xC8FC;&#xACE0; return &#xD558;&#xBA74; &#xB418;&#xB294; &#xAC83;&#xC785;&#xB2C8;&#xB2E4;.</p>
<p>&#xB2E4;&#xC74C; &#xB0B4;&#xC6A9;&#xC744; hello.sh &#xC5D0; &#xC791;&#xC131;&#xD558;&#xC600;&#xB2E4;&#xBA74; <code>source hello.sh</code> &#xD55C; &#xD6C4; &#xD504;&#xB86C;&#xD504;&#xD2B8; &#xC0C1;&#xC5D0;&#xC11C; &#xD14C;&#xC2A4;&#xD2B8;&#xD574;&#xBD05;&#xB2C8;&#xB2E4;.
&#xD30C;&#xC77C; &#xB9C8;&#xC9C0;&#xB9C9;&#xC5D0; complete &#xBA85;&#xB839;&#xC758; <code>-F</code> &#xC635;&#xC158;&#xC73C;&#xB85C; hello &#xC758; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xB4F1;&#xB85D;&#xD558;&#xB294; &#xAC83;&#xC744; &#xBCFC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. </p>
<pre><code class="lang-bash"><span class="hljs-function"><span class="hljs-title">_hello</span></span>() {
    <span class="hljs-built_in">local</span> cmd=<span class="hljs-variable">$1</span> cur=<span class="hljs-variable">$2</span> prev=<span class="hljs-variable">$3</span>

    <span class="hljs-built_in">local</span> options=<span class="hljs-string">&quot;--fruit --planet --animal&quot;</span>
    <span class="hljs-built_in">local</span> fruits=<span class="hljs-string">&quot;apple orange banana&quot;</span>
    <span class="hljs-built_in">local</span> animals=<span class="hljs-string">&quot;lion tiger elephant&quot;</span>
    <span class="hljs-built_in">local</span> planets=<span class="hljs-string">&quot;mars jupiter saturn&quot;</span>

    <span class="hljs-keyword">if</span> (( COMP_CWORD == <span class="hljs-number">1</span> )); <span class="hljs-keyword">then</span>
        COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$options</span>&quot;</span> -- <span class="hljs-variable">$cur</span>) )
        <span class="hljs-built_in">return</span>
    <span class="hljs-keyword">fi</span>

    <span class="hljs-keyword">if</span> (( COMP_CWORD == <span class="hljs-number">2</span> )); <span class="hljs-keyword">then</span>
        <span class="hljs-keyword">case</span> <span class="hljs-variable">$prev</span> <span class="hljs-keyword">in</span>
            --fruit)
                COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$fruits</span>&quot;</span> -- <span class="hljs-variable">$cur</span>) )
                <span class="hljs-built_in">return</span> ;;
            --animal)
                COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$animals</span>&quot;</span> -- <span class="hljs-variable">$cur</span>) )
                <span class="hljs-built_in">return</span> ;;
            --planet)
                COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$planets</span>&quot;</span> -- <span class="hljs-variable">$cur</span>) )
                <span class="hljs-built_in">return</span> ;;
        <span class="hljs-keyword">esac</span>
    <span class="hljs-keyword">fi</span>
}

complete -F _hello hello
</code></pre>
<p>&#xC774;&#xBC88;&#xC5D0;&#xB294; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; <code>uftrace</code> &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xC81C;&#xACF5;&#xD558;&#xB294; help &#xBA54;&#xC2DC;&#xC9C0;&#xC5D0;&#xC11C; &#xCD94;&#xCD9C;&#xD574; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xC608;&#xC785;&#xB2C8;&#xB2E4;.</p>
<blockquote>
<p>uftrace &#xB294; Namhyung Kim &#xB2D8;&#xC774; &#xB9CC;&#xB4E0; &#xBA85;&#xB839;&#xC73C;&#xB85C; C/C++ &#xB85C; &#xC791;&#xC131;&#xB41C; &#xC2E4;&#xD589;&#xD30C;&#xC77C;&#xC744; &#xD568;&#xC218; &#xB808;&#xBCA8;&#xC5D0;&#xC11C; 
trace &#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. ( &#xD2B9;&#xD788; recursion &#xC744; &#xC774;&#xC6A9;&#xD574; &#xC791;&#xC131;&#xB41C; &#xD568;&#xC218;&#xC758; &#xACBD;&#xC6B0; &#xD638;&#xCD9C; &#xAD00;&#xACC4;&#xB97C; &#xD55C;&#xB208;&#xC5D0; &#xBCFC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. )</p>
</blockquote>
<p><a href="https://github.com/mug896/uftrace-bash-completion" target="_blank">https://github.com/mug896/uftrace-bash-completion</a></p>
<pre><code class="lang-sh"><span class="hljs-function"><span class="hljs-title">_uftrace</span></span>() 
{
    <span class="hljs-built_in">local</span> cmd=<span class="hljs-variable">$1</span> cur=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span> prev=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD-1]}</span>
    [[ <span class="hljs-variable">${COMP_LINE:COMP_POINT-1:1}</span> = <span class="hljs-string">&quot; &quot;</span> ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>    <span class="hljs-comment"># bash-completion &#xD328;&#xD0A4;&#xC9C0; &#xC9C0;&#xC6D0;</span>
    <span class="hljs-built_in">local</span> IFS=$<span class="hljs-string">&apos; \t\n&apos;</span> words

    <span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$cur</span> == -* ]]; <span class="hljs-keyword">then</span>     <span class="hljs-comment"># &#xD604;&#xC7AC; &#xC785;&#xB825;&#xC911;&#xC778; &#xB2E8;&#xC5B4;&#xAC00; &quot;-&quot; &#xBB38;&#xC790;&#xB85C; &#xC2DC;&#xC791;&#xD558;&#xB294; &#xC635;&#xC158;&#xC77C; &#xACBD;&#xC6B0;</span>
        words=$( <span class="hljs-variable">$cmd</span> --help | 
            sed -En <span class="hljs-string">&apos;/^\s+-/{ s/^\s{,10}((-\w),?\s)?(--[[:alnum:]-]+)?.*/\2 \3/p }&apos;</span> )
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == --match ]]; <span class="hljs-keyword">then</span>
        words=<span class="hljs-string">&quot;regex glob&quot;</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == @(-!(-*)s|--sort) ]]; <span class="hljs-keyword">then</span>
        words=<span class="hljs-string">&quot;total self call avg min max&quot;</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == --logfile ]]; <span class="hljs-keyword">then</span>
        :     <span class="hljs-comment"># else &#xB97C; skip &#xD558;&#xACE0; -o default &#xB514;&#xD3F4;&#xD2B8; &#xC124;&#xC815;&#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xAE30; &#xC704;&#xD574;</span>
    <span class="hljs-keyword">else</span>
        words=<span class="hljs-string">&quot;record replay live report info dump recv graph script tui&quot;</span>
    <span class="hljs-keyword">fi</span>
    COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span> -- <span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span>) )
}

complete -o default -o bashdefault -F _uftrace uftrace
</code></pre>
<blockquote>
<p><code>-s</code> &#xAC19;&#xC740; short &#xC635;&#xC158;&#xC744; &#xB9E4;&#xCE6D;&#xD560; &#xB54C; <code>-!(-*)s</code> &#xC640; &#xAC19;&#xC774; &#xD574;&#xC57C;&#xB418;&#xB294; [<a href="pattern_matching.html#quiz-option">&#xC774;&#xC720;</a>]</p>
</blockquote>
<h1 id="2">2.</h1>
<p>&#xC774;&#xBC88; &#xC608;&#xC81C;&#xB294; kill &#xBA85;&#xB839;&#xC744; &#xC0AC;&#xC6A9;&#xD560;&#xB54C; &#xBA3C;&#xC800; PID &#xB97C; &#xAC80;&#xC0C9;&#xD560; &#xD544;&#xC694;&#xC5C6;&#xC774;
&#xC790;&#xB3D9;&#xC644;&#xC131;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xD504;&#xB85C;&#xC138;&#xC2A4; &#xBAA9;&#xB85D;&#xC744; &#xBCF4;&#xC5EC;&#xC8FC;&#xB294; &#xAE30;&#xB2A5;&#xC785;&#xB2C8;&#xB2E4;.
&#xAE30;&#xC874; kill &#xBA85;&#xB839;&#xC740; &#xC2E0;&#xD638;&#xC774;&#xB984;&#xB9CC; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xB418;&#xB294;&#xB370;
PID &#xBAA9;&#xB85D;&#xB3C4; &#xBCFC;&#xC218;&#xC788;&#xC73C;&#xBA74; &#xD3B8;&#xB9AC;&#xD558;&#xACA0;&#xC8E0;?</p>
<pre><code class="lang-bash"><span class="hljs-function"><span class="hljs-title">_kill2</span></span>() 
{
    <span class="hljs-built_in">local</span> cur=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span> words
    [[ <span class="hljs-variable">${COMP_LINE:COMP_POINT-1:1}</span> = <span class="hljs-string">&quot; &quot;</span> ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>
    <span class="hljs-comment"># &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB294; &#xD604;&#xC7AC; prompt shell &#xC5D0;&#xC11C; &#xC2E4;&#xD589;&#xB418;&#xBBC0;&#xB85C; &#xC601;&#xD5A5;&#xC744; &#xBBF8;&#xCE58;&#xC9C0; &#xC54A;&#xC73C;&#xB824;&#xBA74;</span>
    <span class="hljs-comment"># local &#xB85C; &#xC124;&#xC815;&#xD574; &#xC0AC;&#xC6A9;&#xD574;&#xC57C; &#xD569;&#xB2C8;&#xB2E4;.</span>
    <span class="hljs-built_in">local</span> IFS=$<span class="hljs-string">&apos; \t\n&apos;</span>

    <span class="hljs-comment"># &apos;-&apos; &#xBB38;&#xC790;&#xB85C; &#xC2DC;&#xC791;&#xD558;&#xB294; &#xC2E0;&#xD638;&#xAC12; &#xC790;&#xB3D9;&#xC644;&#xC131; </span>
    <span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$cur</span> == -* ]]; <span class="hljs-keyword">then</span>
        words=$( <span class="hljs-built_in">kill</span> <span class="hljs-operator">-l</span> | sed -Ez <span class="hljs-string">&apos;s/[0-9]+\) SIG/-/g&apos;</span> )
        COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span> -- <span class="hljs-variable">$cur</span>) )

    <span class="hljs-keyword">else</span>
        <span class="hljs-comment"># PID &#xBAA9;&#xB85D;&#xC740; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xD560; &#xAC83;&#xC774; &#xC544;&#xB2C8;&#xBBC0;&#xB85C; &#xC55E;&#xC5D0; &#xBC88;&#xD638;&#xB97C; &#xBD99;&#xC5EC;&#xC11C; &#xCD9C;&#xB825;&#xD569;&#xB2C8;&#xB2E4;.</span>
        <span class="hljs-comment"># &#xBC88;&#xD638;&#xB97C; &#xBD99;&#xC774;&#xC9C0; &#xC54A;&#xC73C;&#xBA74; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xC801;&#xC6A9;&#xB418;&#xC5B4; &#xBAA9;&#xB85D;&#xC774; &#xC81C;&#xB300;&#xB85C; &#xD45C;&#xC2DC;&#xB418;&#xC9C0; &#xC54A;&#xC2B5;&#xB2C8;&#xB2E4;.</span>
        words=$( ps axh -o pid,user,comm | gawk <span class="hljs-string">&apos;BEGIN {IGNORECASE=1} 
        $3~/&apos;</span><span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span><span class="hljs-string">&apos;/{a[i++]=$0} END{ 
        if (isarray(a)) {
            if (length(a) == 1) print a[0]
            else { 
                len=length(i)
                for (i in a) 
                    printf &quot;%0*d) %s\n&quot;, len, i+1, a[i]
            }
        }}&apos;</span>)
        <span class="hljs-comment"># COMPREPLAY array &#xBCC0;&#xC218;&#xC5D0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xAC00; &#xC124;&#xC815;&#xB420;&#xB54C; IFS &#xAC12;&#xC5D0;&#xB530;&#xB77C; &#xBD84;&#xB9AC;&#xAC00; &#xB429;&#xB2C8;&#xB2E4;.</span>
        <span class="hljs-comment"># &#xC5EC;&#xAE30;&#xC11C;&#xB294; PID &#xC640; &#xBA85;&#xB839;&#xC744; &#xAC19;&#xC774; &#xBCF4;&#xC5EC;&#xC918;&#xC57C; &#xD558;&#xBBC0;&#xB85C; IFS &#xAC12;&#xC744; newline &#xC73C;&#xB85C; &#xC124;&#xC815;&#xD569;&#xB2C8;&#xB2E4;.</span>
        IFS=$<span class="hljs-string">&apos;\n&apos;</span>
        COMPREPLY=( <span class="hljs-variable">$words</span> )
    <span class="hljs-keyword">fi</span>
}

complete -F _<span class="hljs-built_in">kill</span>2 <span class="hljs-built_in">kill</span>
</code></pre>
<video width="768" height="282" controls preload="auto">
  <source src="images/completion_example.mp4" type="video/mp4">
  Your browser does not support the video tag.
</video>


<h1 id="3">3.</h1>
<p>&#xC774;&#xBC88;&#xC5D0;&#xB294; 2&#xBC88; &#xC608;&#xC81C;&#xB97C; &#xAC00;&#xC9C0;&#xACE0; &#xD504;&#xB85C;&#xC138;&#xC2A4; &#xBAA9;&#xB85D;&#xC774; &#xCD9C;&#xB825;&#xB410;&#xC744;&#xB54C; &#xBC88;&#xD638;&#xB97C; &#xC785;&#xB825;&#xD558;&#xBA74; 
&#xD574;&#xB2F9; PID &#xC640; &#xBA85;&#xB839;&#xC774;&#xB984;&#xC774; &#xC785;&#xB825;&#xB418;&#xB294; &#xAC83;&#xC744; &#xD574;&#xBCF4;&#xACA0;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xC774;&#xC804; &#xAC80;&#xC0C9; &#xACB0;&#xACFC;&#xB97C; &#xC0AC;&#xC6A9;&#xD558;&#xAE30; &#xC704;&#xD574;&#xC11C;&#xB294; global &#xBCC0;&#xC218;&#xC5D0; &#xC800;&#xC7A5;&#xD574; &#xB193;&#xB294;&#xAC83;&#xC774; 
&#xD544;&#xC694;&#xD558;&#xAE30; &#xB54C;&#xBB38;&#xC5D0; &#xC5EC;&#xAE30;&#xC11C;&#xB294; &#xD568;&#xC218;&#xBA85;&#xACFC; &#xB3D9;&#xC77C;&#xD55C; &#xBCC0;&#xC218;&#xC774;&#xB984;&#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xC600;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash"><span class="hljs-function"><span class="hljs-title">_kill3</span></span>() 
{
    <span class="hljs-built_in">local</span> cur=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span> words
    [[ <span class="hljs-variable">${COMP_LINE:COMP_POINT-1:1}</span> = <span class="hljs-string">&quot; &quot;</span> ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>
    <span class="hljs-built_in">local</span> IFS=$<span class="hljs-string">&apos; \t\n&apos;</span>

    <span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$cur</span> == -* ]]; <span class="hljs-keyword">then</span>
        words=$( <span class="hljs-built_in">kill</span> <span class="hljs-operator">-l</span> | sed -Ez <span class="hljs-string">&apos;s/[0-9]+\) SIG/-/g&apos;</span> )
        COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span> -- <span class="hljs-variable">$cur</span>) )

    <span class="hljs-comment"># current &#xADF8;&#xB7EC;&#xB2C8;&#xAE4C; &#xD604;&#xC7AC; &#xCEE4;&#xC11C;&#xAC00; &#xC704;&#xCE58;&#xD55C; &#xACF3;&#xC758; &#xAC12;&#xC774; &#xC22B;&#xC790;&#xC778; &#xC0C1;&#xD0DC;&#xC5D0;&#xC11C; tab &#xD0A4;&#xB97C; &#xB20C;&#xB800;&#xC744;&#xACBD;&#xC6B0;</span>
    <span class="hljs-comment"># &#xC774;&#xC804;&#xC5D0; $_kill3 &#xBCC0;&#xC218;&#xC5D0; &#xC800;&#xC7A5;&#xD574; &#xB193;&#xC740; &#xBAA9;&#xB85D;&#xC744; &#xC774;&#xC6A9;&#xD574; PID &#xC640; &#xBA85;&#xB839;&#xC774;&#xB984;&#xC744; &#xCD9C;&#xB825;&#xD569;&#xB2C8;&#xB2E4;.</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$cur</span> == +([<span class="hljs-number">0</span>-<span class="hljs-number">9</span>]) ]]; <span class="hljs-keyword">then</span>
        cur=$(( <span class="hljs-number">10</span><span class="hljs-comment">#$cur ))   # 8 &#xC9C4;&#xC218;&#xB85C; &#xC778;&#xC2DD;&#xB418;&#xB294; &#xAC83;&#xC744; &#xBC29;&#xC9C0;&#xD558;&#xAE30; &#xC704;&#xD574; 10 &#xC9C4;&#xC218;&#xB85C; &#xBCC0;&#xACBD;</span>
        COMPREPLY=( <span class="hljs-string">&quot;<span class="hljs-variable">$(&lt;&lt;&lt; $_kill3 gawk $cur&apos; == $1+0 {print $2,$4; exit}&apos;)</span>&quot;</span> )

    <span class="hljs-keyword">else</span>
        words=$( ps haxo pid,user,comm | gawk <span class="hljs-string">&apos;BEGIN {IGNORECASE=1} 
        $3~/&apos;</span><span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span><span class="hljs-string">&apos;/{ a[i++] = $0 } END {
        if (isarray(a)) {
            len = length(i)
            for (i in a)
                printf &quot;%0*d) %s\n&quot;, len, i+1, a[i]
            if (length(a) == 1) print &quot; &quot;    # &#xBAA9;&#xB85D;&#xC774; 1 &#xAC1C;&#xC77C; &#xACBD;&#xC6B0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB418;&#xB294;&#xAC83;&#xC744; &#xBC29;&#xC9C0;
        }}&apos;</span>)

        <span class="hljs-comment"># &#xC0DD;&#xC131;&#xB41C; &#xD504;&#xB85C;&#xC138;&#xC2A4; &#xBAA9;&#xB85D;&#xC744; global &#xBCC0;&#xC218;&#xC778; $_kill3 &#xC5D0; &#xC800;&#xC7A5;&#xD574;&#xB193;&#xC2B5;&#xB2C8;&#xB2E4;.</span>
        _<span class="hljs-built_in">kill</span>3=<span class="hljs-variable">$words</span>
        IFS=$<span class="hljs-string">&apos;\n&apos;</span> COMPREPLY=( <span class="hljs-variable">$words</span> )
    <span class="hljs-keyword">fi</span>
}

complete -F _<span class="hljs-built_in">kill</span>3 <span class="hljs-built_in">kill</span>
</code></pre>
<video width="768" height="282" controls preload="auto">
  <source src="images/completion_example2.mp4" type="video/mp4">
  Your browser does not support the video tag.
</video>


<h1 id="4">4.</h1>
<p>clang &#xC740; gcc &#xC640; &#xB2EC;&#xB9AC; &#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xC124;&#xC815;&#xB418;&#xC5B4; &#xC788;&#xC9C0; &#xC54A;&#xC740;&#xB370; &#xC5EC;&#xAE30;&#xC11C; &#xC124;&#xC815;&#xD574; &#xBCF4;&#xB3C4;&#xB85D; &#xD558;&#xACA0;&#xC2B5;&#xB2C8;&#xB2E4;.  </p>
<blockquote>
<p>clang &#xC740; <code>--autocomplete</code> &#xC635;&#xC158;&#xC744; &#xD1B5;&#xD574;&#xC11C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xAE30;&#xB2A5;&#xC744; &#xC9C0;&#xC6D0;&#xD558;&#xACE0; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.<br><a href="https://github.com/mug896/clang-bash-completion" target="_blank">https://github.com/mug896/clang-bash-completion</a></p>
</blockquote>
<pre><code class="lang-bash"><span class="hljs-comment"># &apos;-std&apos; &#xC2A4;&#xD06C;&#xB9C1;&#xACFC; &#xB9E4;&#xCE6D;&#xB418;&#xB294; &#xC635;&#xC158;&#xC744; &#xCD9C;&#xB825;</span>
$ clang --autocomplete=-std
-std:   Language standard to compile <span class="hljs-keyword">for</span>
-std=   Language standard to compile <span class="hljs-keyword">for</span>
-stdlib=        C++ standard library to use

$ clang --autocomplete=-stdl
-stdlib=        C++ standard library to use

<span class="hljs-comment"># &apos;-stdlib=&apos; &#xC635;&#xC158;&#xC5D0;&#xC11C; &#xC0AC;&#xC6A9; &#xAC00;&#xB2A5;&#xD55C; &#xAC12;&#xC744; &#xCD9C;&#xB825;</span>
$ clang --autocomplete=-stdlib=
libc++
libstdc++
platform
</code></pre>
<pre><code class="lang-bash"><span class="hljs-function"><span class="hljs-title">_clang</span></span>() 
{
    <span class="hljs-built_in">local</span> cmd=<span class="hljs-variable">$1</span> cur=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span> 
    [[ <span class="hljs-variable">${COMP_LINE:COMP_POINT-1:1}</span> = <span class="hljs-string">&quot; &quot;</span> ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>
    <span class="hljs-built_in">local</span> prev=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD-1]}</span> prev2=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD-2]}</span>
    <span class="hljs-built_in">local</span> words tmp

    <span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$cur</span> == --* ]]; <span class="hljs-keyword">then</span>      <span class="hljs-comment"># &apos;--&apos; &#xB85C; &#xC2DC;&#xC791;&#xB418;&#xB294; &#xC635;&#xC158;</span>
        words=$( <span class="hljs-variable">$cmd</span> --autocomplete=<span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span> | gawk <span class="hljs-string">&apos;{print $1}&apos;</span> )

    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$cur</span> == -* ]]; <span class="hljs-keyword">then</span>     <span class="hljs-comment"># &apos;-&apos; &#xB85C; &#xC2DC;&#xC791;&#xB418;&#xB294; &#xC635;&#xC158;</span>
        words=$( <span class="hljs-variable">$cmd</span> --autocomplete=<span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span> | gawk <span class="hljs-string">&apos;$1 !~ /^--/{print $1}&apos;</span> )

    <span class="hljs-comment"># $cur &#xAC12;&#xC774; &apos;=&apos; &#xBB38;&#xC790;&#xC77C; &#xACBD;&#xC6B0;: -std=[tab] &#xB610;&#xB294;</span>
    <span class="hljs-comment"># $prev &#xAC12;&#xC774; &apos;=&apos; &#xBB38;&#xC790;&#xC77C; &#xACBD;&#xC6B0;: -std=c++[tab]</span>
    <span class="hljs-comment"># -std &#xC635;&#xC158; &#xC2A4;&#xD2B8;&#xB9C1;&#xC744; --autocomplete= &#xAC12;&#xC73C;&#xB85C; &#xC804;&#xB2EC;&#xD574; &#xC0AC;&#xC6A9;&#xD560;&#xC218; &#xC788;&#xB294; &#xAC12;&#xC744; &#xCD9C;&#xB825;&#xD569;&#xB2C8;&#xB2E4;.</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$cur</span> == <span class="hljs-string">&quot;=&quot;</span> || <span class="hljs-variable">$prev</span> == <span class="hljs-string">&quot;=&quot;</span> ]]; <span class="hljs-keyword">then</span>
        [[ <span class="hljs-variable">$cur</span> == <span class="hljs-string">&quot;=&quot;</span> ]] &amp;&amp; tmp=<span class="hljs-variable">$prev</span> || tmp=<span class="hljs-variable">$prev2</span>
        words=$( <span class="hljs-variable">$cmd</span> --autocomplete=<span class="hljs-string">&quot;<span class="hljs-variable">$tmp</span>=&quot;</span> )

    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$cur</span> == <span class="hljs-string">&quot;:&quot;</span> || <span class="hljs-variable">$prev</span> == <span class="hljs-string">&quot;:&quot;</span> ]]; <span class="hljs-keyword">then</span>
        [[ <span class="hljs-variable">$cur</span> == <span class="hljs-string">&quot;:&quot;</span> ]] &amp;&amp; tmp=<span class="hljs-variable">$prev</span> || tmp=<span class="hljs-variable">$prev2</span>
        words=$( <span class="hljs-variable">$cmd</span> --autocomplete=<span class="hljs-string">&quot;<span class="hljs-variable">$tmp</span>:&quot;</span> | gawk <span class="hljs-string">&apos;{print substr($1, index($1,&quot;:&quot;)+1)}&apos;</span> )

    <span class="hljs-keyword">else</span>
        <span class="hljs-comment"># &#xADF8;&#xC678; &#xAC12;&#xB4E4; &#xC608;&#xB97C; &#xB4E4;&#xC5B4; &apos;-meabi [tab]&apos;</span>
        <span class="hljs-comment"># exit &#xBD80;&#xBD84;&#xC740; &apos;-c [tab]&apos; &#xD588;&#xC744;&#xB54C; -c &#xAC12;&#xC774; &#xC911;&#xBCF5; &#xC785;&#xB825;&#xB418;&#xB294; &#xAC83;&#xC744; &#xBC29;&#xC9C0;</span>
        words=$( <span class="hljs-variable">$cmd</span> --autocomplete=<span class="hljs-string">&quot;<span class="hljs-variable">$prev</span>&quot;</span> | gawk <span class="hljs-string">&apos;$1 ~ /^-/{exit}{print $1}&apos;</span> )
    <span class="hljs-keyword">fi</span>
    <span class="hljs-comment"># $cur &#xAC12;&#xC774; &apos;=&apos; &#xB610;&#xB294; &apos;:&apos; &#xC640; &#xAC19;&#xC774; $COMP_WORDBREAKS &#xBCC0;&#xC218;&#xC5D0; &#xC788;&#xB294; &#xAC12;&#xC77C;&#xACBD;&#xC6B0; </span>
    <span class="hljs-comment"># tab &#xD0A4;&#xB97C; &#xC785;&#xB825;&#xD588;&#xC744;&#xB54C; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xC2DC;&#xC791;&#xB418;&#xC9C0; &#xBABB;&#xD558;&#xBBC0;&#xB85C; $cur &#xAC12;&#xC744; empty &#xB85C; &#xC124;&#xC815;</span>
    <span class="hljs-comment"># (&#xB9CC;&#xC57D;&#xC5D0; $cur &#xAC12;&#xC73C;&#xB85C; ${COMP_WORDS[COMP_CWORD]} &#xB300;&#xC2E0;&#xC5D0; $2 &#xB97C; &#xC0AC;&#xC6A9;&#xD55C;&#xB2E4;&#xBA74; &#xD544;&#xC694; &#xC5C6;&#xACA0;&#xC8E0;)</span>
    [[ <span class="hljs-variable">$COMP_WORDBREAKS</span> == *<span class="hljs-variable">$cur</span>* ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>
    COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span> -- <span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span>) )
    <span class="hljs-comment"># &#xC644;&#xC131;&#xD560; &#xB2E8;&#xC5B4;&#xAC00; &apos;string=&apos; &#xB610;&#xB294; &apos;string:&apos;  &#xD615;&#xC2DD;&#xC77C;&#xACBD;&#xC6B0; space &#xB97C; &#xB744;&#xC6B0;&#xC9C0; &#xC54A;&#xAC8C;&#xD569;&#xB2C8;&#xB2E4;.</span>
    [[ <span class="hljs-string">&quot;<span class="hljs-variable">${COMPREPLY: -1}</span>&quot;</span> == [:=] ]] &amp;&amp; compopt -o nospace
}

<span class="hljs-comment"># COMPREPLY &#xAC12;&#xC774; empty &#xAC00; &#xB418;&#xC5B4; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xD560; &#xB2E8;&#xC5B4;&#xAC00; &#xC5C6;&#xC744; &#xACBD;&#xC6B0; &#xB514;&#xD3F4;&#xD2B8;&#xB85C; default, bashdefault</span>
<span class="hljs-comment"># &#xC635;&#xC158;&#xC774; &#xC801;&#xC6A9;&#xB418;&#xAC8C; &#xD558;&#xACE0; clang, clang++ &#xB450;&#xAC1C;&#xC758; &#xBA85;&#xB839;&#xC5D0; _clang &#xD568;&#xC218;&#xB97C; &#xC124;&#xC815;</span>
complete -o default -o bashdefault -F _clang clang clang++
</code></pre>
<video width="768" height="212" controls preload="auto">
  <source src="images/completion_example3.mp4" type="video/mp4">
  Your browser does not support the video tag.
</video>


<h1 id="5">5.</h1>
<p>&#xB2E4;&#xC74C;&#xC740; &#xD558;&#xB098;&#xC758; &#xCF54;&#xB4DC; &#xBCA0;&#xC774;&#xC2A4;&#xB85C; &#xBAA8;&#xBC14;&#xC77C;, &#xC6F9;, &#xB370;&#xC2A4;&#xD06C;&#xD1B1; &#xC560;&#xD50C;&#xB9AC;&#xCF00;&#xC774;&#xC158;&#xC744; &#xBAA8;&#xB450; &#xB9CC;&#xB4E4; &#xC218; &#xC788;&#xB294;
Dart &#xC5B8;&#xC5B4;&#xC6A9; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC785;&#xB2C8;&#xB2E4;. <code>${COMP_LINE}</code> &#xBCC0;&#xC218; &#xD65C;&#xC6A9;&#xD558;&#xB294; &#xAC83;&#xC744; &#xBCFC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh"><span class="hljs-function"><span class="hljs-title">_dart</span></span>() 
{
    <span class="hljs-built_in">local</span> cmd=<span class="hljs-variable">$1</span> cur=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span>
    [[ <span class="hljs-variable">${COMP_LINE:COMP_POINT-1:1}</span> = <span class="hljs-string">&quot; &quot;</span> ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>
    <span class="hljs-built_in">local</span> IFS=$<span class="hljs-string">&apos; \t\n&apos;</span> words
    <span class="hljs-built_in">local</span> sed_cmd sed_opt
    <span class="hljs-built_in">read</span> -rd <span class="hljs-string">&quot;&quot;</span> sed_cmd &lt;&lt;\@
    sed -En <span class="hljs-string">&apos;/^Available (sub)?commands:/,${ s/^  ([^[:blank:]]+).*/\1/p }&apos;</span>
@
    <span class="hljs-built_in">read</span> -rd <span class="hljs-string">&quot;&quot;</span> sed_opt &lt;&lt;\@
    sed -En <span class="hljs-operator">-e</span> <span class="hljs-string">&apos;s/^ *((-\w), )?(-[^[:blank:]&lt;]+).*/\2\n\3/; tX; b&apos;</span> \
            <span class="hljs-operator">-e</span> <span class="hljs-string">&apos;:X s/\[|\]//g; p; tY; b&apos;</span> <span class="hljs-operator">-e</span> <span class="hljs-string">&apos;:Y s/no-//p&apos;</span>
@
    <span class="hljs-comment"># $COMP_LINE &#xBCC0;&#xC218;&#xC758; &#xACBD;&#xC6B0; &#xD604;&#xC7AC; &#xC785;&#xB825;&#xC911;&#xC778; &#xBBF8;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xAC00; &#xADF8;&#xB300;&#xB85C; &#xAC12;&#xC5D0; &#xD3EC;&#xD568;&#xB418;&#xBBC0;&#xB85C;</span>
    <span class="hljs-comment"># --help &#xC635;&#xC158; &#xC801;&#xC6A9;&#xC2DC; &#xC624;&#xB958;&#xAC00; &#xBC1C;&#xC0DD;&#xD558;&#xC9C0; &#xC54A;&#xAC8C; ${COMP_LINE% *} &#xB97C; &#xC774;&#xC6A9;&#xD574; &#xC81C;&#xAC70;&#xD574;&#xC90D;&#xB2C8;&#xB2E4;.</span>
    <span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$cur</span> == -* ]]; <span class="hljs-keyword">then</span>
        <span class="hljs-keyword">if</span> words=$( <span class="hljs-built_in">eval</span> <span class="hljs-string">&quot;<span class="hljs-variable">${COMP_LINE% *}</span> --help&quot;</span> <span class="hljs-number">2</span>&gt;&amp;<span class="hljs-number">1</span> ); <span class="hljs-keyword">then</span>
            words=$( &lt;&lt;&lt; <span class="hljs-variable">$words</span> <span class="hljs-built_in">eval</span> <span class="hljs-string">&quot;<span class="hljs-variable">$sed_opt</span>&quot;</span> )
        <span class="hljs-keyword">else</span>
            <span class="hljs-built_in">echo</span>; &lt;&lt;&lt; <span class="hljs-variable">$words</span> head -n1 &gt;&amp;<span class="hljs-number">2</span>     <span class="hljs-comment"># &#xC624;&#xB958; &#xBC1C;&#xC0DD;&#xC2DC; &#xBA54;&#xC2DC;&#xC9C0; &#xCD9C;&#xB825;</span>
            <span class="hljs-built_in">return</span>
        <span class="hljs-keyword">fi</span>
    <span class="hljs-keyword">else</span>
        <span class="hljs-keyword">if</span> (( COMP_CWORD == <span class="hljs-number">1</span> )); <span class="hljs-keyword">then</span>
            words=$( <span class="hljs-variable">$cmd</span> --help | <span class="hljs-built_in">eval</span> <span class="hljs-string">&quot;<span class="hljs-variable">$sed_cmd</span>&quot;</span> )
        <span class="hljs-keyword">else</span>
            <span class="hljs-keyword">if</span> words=$( <span class="hljs-built_in">eval</span> <span class="hljs-string">&quot;<span class="hljs-variable">${COMP_LINE% *}</span> --help&quot;</span> <span class="hljs-number">2</span>&gt;&amp;<span class="hljs-number">1</span> ); <span class="hljs-keyword">then</span>
                words=$( &lt;&lt;&lt; <span class="hljs-variable">$words</span> <span class="hljs-built_in">eval</span> <span class="hljs-string">&quot;<span class="hljs-variable">$sed_cmd</span>&quot;</span> )
            <span class="hljs-keyword">else</span>
                <span class="hljs-built_in">echo</span>; &lt;&lt;&lt; <span class="hljs-variable">$words</span> head -n1 &gt;&amp;<span class="hljs-number">2</span>
                <span class="hljs-built_in">return</span>
            <span class="hljs-keyword">fi</span>
        <span class="hljs-keyword">fi</span>
    <span class="hljs-keyword">fi</span>
    COMPREPLY=( $(compgen -W <span class="hljs-string">&quot;<span class="hljs-variable">$words</span>&quot;</span> -- <span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span>) )
    [[ <span class="hljs-variable">${COMPREPLY: -1}</span> == <span class="hljs-string">&quot;=&quot;</span> ]] &amp;&amp; compopt -o nospace
}

complete -o default -o bashdefault -F _dart dart
</code></pre>
<h1 id="6">6.</h1>
<p><a href="https://github.com/httpie/httpie" target="_blank">httpie</a> &#xBA85;&#xB839;&#xC740; curl &#xACFC;&#xAC19;&#xC740; http client &#xC778;&#xB370;
&#xBA85;&#xB839;&#xC774; python &#xC2A4;&#xD06C;&#xB9BD;&#xD2B8;&#xB85C; &#xB418;&#xC5B4;&#xC788;&#xC5B4;&#xC11C; &#xC2E4;&#xD589;&#xC18D;&#xB3C4;&#xAC00; &#xC880; &#xB290;&#xB9BD;&#xB2C8;&#xB2E4;.
&#xB530;&#xB77C;&#xC11C; tab &#xD0A4;&#xB97C; &#xB204;&#xB97C;&#xB54C;&#xB9C8;&#xB2E4; &#xB9E4;&#xBC88; &#xBA85;&#xB839;&#xC744; &#xC2E4;&#xD589;&#xD558;&#xC9C0; &#xC54A;&#xACE0; &#xCC98;&#xC74C; &#xC2E4;&#xD589;&#xC2DC;&#xC5D0; help &#xBA54;&#xC2DC;&#xC9C0;&#xB97C;
&#xBCC0;&#xC218;&#xC5D0; &#xC800;&#xC7A5;&#xD574;&#xB193;&#xACE0; &#xC0AC;&#xC6A9;&#xD569;&#xB2C8;&#xB2E4;. &#xB610;&#xD55C; <code>--ssl [tab]</code> &#xD615;&#xD0DC;&#xBFD0;&#xB9CC; &#xC544;&#xB2C8;&#xB77C;
<code>--ssl=[tab]</code> &#xC5D0;&#xC11C;&#xB3C4; &#xC790;&#xB3D9;&#xC644;&#xC131;&#xC774; &#xB418;&#xAC8C; &#xCC98;&#xB9AC;&#xD569;&#xB2C8;&#xB2E4;.</p>
<p><a href="https://github.com/mug896/httpie-bash-completion" target="_blank">https://github.com/mug896/httpie-bash-completion</a></p>
<pre><code class="lang-sh"><span class="hljs-comment"># httpie &#xC124;&#xCE58;: pip install --upgrade httpie</span>
<span class="hljs-function"><span class="hljs-title">_http</span></span> () 
{
    <span class="hljs-built_in">local</span> cmd=<span class="hljs-variable">${1##*/}</span> cur=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span> prev=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD-1]}</span>
    [[ <span class="hljs-variable">${COMP_LINE:COMP_POINT-1:1}</span> = <span class="hljs-string">&quot; &quot;</span> ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>
    <span class="hljs-built_in">local</span> IFS=$<span class="hljs-string">&apos; \t\n&apos;</span> words _cmd=__<span class="hljs-variable">$cmd</span>         <span class="hljs-comment"># $__http &#xBCC0;&#xC218;&#xC5D0; help &#xBA54;&#xC2DC;&#xC9C0;&#xB97C; &#xC800;&#xC7A5;</span>
    <span class="hljs-built_in">local</span> ver=$(<span class="hljs-built_in">stat</span> -L -c %Y `<span class="hljs-built_in">type</span> -P <span class="hljs-string">&quot;<span class="hljs-variable">$cmd</span>&quot;</span>`)  <span class="hljs-comment"># &#xC2E4;&#xD589;&#xD30C;&#xC77C;&#xC774; &#xBCC0;&#xACBD;&#xB418;&#xC5C8;&#xB294;&#xC9C0; &#xCCB4;&#xD06C;&#xD558;&#xAE30; &#xC704;&#xD55C; &#xBC84;&#xC804;&#xAC12;</span>
    <span class="hljs-built_in">local</span> <span class="hljs-built_in">help</span>=<span class="hljs-variable">${!_cmd#*$&apos;\n&apos;}</span>                   <span class="hljs-comment"># $__http &#xBCC0;&#xC218;&#xC5D0;&#xC11C; help &#xBA54;&#xC2DC;&#xC9C0;&#xB9CC; &#xCD94;&#xCD9C;</span>

    [[ <span class="hljs-variable">$prev</span> == <span class="hljs-string">&quot;=&quot;</span> ]] &amp;&amp; prev=<span class="hljs-variable">${COMP_WORDS[COMP_CWORD-2]}</span>  <span class="hljs-comment"># --ssl=tls[tab] &#xCC98;&#xB9AC;&#xB97C; &#xC704;&#xD55C;&#xAC83;</span>
    <span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$cur</span> == -* ]]; <span class="hljs-keyword">then</span>
        <span class="hljs-keyword">if</span> [[ -z <span class="hljs-variable">${!_cmd}</span> || <span class="hljs-variable">$ver</span> != <span class="hljs-variable">${!_cmd%%$&apos;\n&apos;*}</span> ]]; <span class="hljs-keyword">then</span>
            <span class="hljs-comment"># $__http &#xBCC0;&#xC218;&#xC5D0; &#xBC84;&#xC804;&#xAC12;&#xC744; &#xC81C;&#xC77C; &#xC704;&#xC5D0; &#xB193;&#xACE0; &#xADF8;&#xB2E4;&#xC74C; help &#xBA54;&#xC2DC;&#xC9C0;&#xB97C; &#xC800;&#xC7A5;.</span>
            <span class="hljs-built_in">eval</span> <span class="hljs-variable">${_cmd}</span>=<span class="hljs-string">&apos;$ver$&apos;</span><span class="hljs-string">&quot;&apos;\\n&apos;&quot;</span><span class="hljs-string">&apos;$( $1 --help )&apos;</span>
        <span class="hljs-keyword">fi</span>
        words=$(&lt;&lt;&lt; <span class="hljs-variable">${!_cmd#*$&apos;\n&apos;}</span> sed -En <span class="hljs-string">&apos;/^  -/p&apos;</span> | grep -Eo -- <span class="hljs-string">&apos; -[[:alnum:]-]+\b&apos;</span>)
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == --ssl ]]; <span class="hljs-keyword">then</span>
        words=$(&lt;&lt;&lt; <span class="hljs-variable">$help</span> sed -En <span class="hljs-string">&apos;/^[ ]{,5}--ssl/{ s/^[^{]*(.*)}.*/\1/; s/,|\{|}/ /g; p }&apos;</span>)
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == @(-!(-*)A|--auth-type) ]]; <span class="hljs-keyword">then</span>
        words=<span class="hljs-string">&quot;basic bearer digest&quot;</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == @(-!(-*)p|--print) ]]; <span class="hljs-keyword">then</span>
        IFS=$<span class="hljs-string">&apos;\n&apos;</span>
        words=<span class="hljs-string">&apos;
&quot;H&quot; request headers
&quot;B&quot; request body
&quot;h&quot; response headers
&quot;b&quot; response body
&quot;m&quot; response metadata
&apos;</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == --pretty ]]; <span class="hljs-keyword">then</span>
        words=<span class="hljs-string">&quot;all colors format none&quot;</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == @(-!(-*)s|--style) ]]; <span class="hljs-keyword">then</span>
        words=<span class="hljs-string">&quot;abap algol algol_nu arduino auto autumn borland bw
          colorful default dracula emacs friendly
          friendly_grayscale fruity gruvbox-dark gruvbox-light
          igor inkpot lilypond lovelace manni material monokai
          murphy native one-dark paraiso-dark paraiso-light
          pastie perldoc pie pie-dark pie-light rainbow_dash
          rrt sas solarized solarized-dark solarized-light stata
          stata-dark stata-light tango trac vim vs xcode
          zenburn&quot;</span>
    <span class="hljs-keyword">elif</span> [[ <span class="hljs-variable">$prev</span> == @(-!(-*)o|--output) ]]; <span class="hljs-keyword">then</span>
        :
    <span class="hljs-keyword">else</span>
        words=<span class="hljs-string">&quot;GET POST PUT HEAD DELETE PATCH OPTIONS CONNECT TRACE&quot;</span>
    <span class="hljs-keyword">fi</span>
    [[ <span class="hljs-variable">$COMP_WORDBREAKS</span> == *<span class="hljs-variable">$cur</span>* ]] &amp;&amp; cur=<span class="hljs-string">&quot;&quot;</span>      <span class="hljs-comment"># --ssl=[tab] &#xCC98;&#xB9AC;&#xB97C; &#xC704;&#xD55C;&#xAC83;</span>
    COMPREPLY=( $(compgen -W <span class="hljs-string">&apos;$words&apos;</span> -- <span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span>) )
}

complete -o default -o bashdefault -F _http http https
</code></pre>
<h1 id="7">7.</h1>
<h4 id="gcc-&#xBA85;&#xB839;-&#xC790;&#xB3D9;&#xC644;&#xC131;">gcc &#xBA85;&#xB839; &#xC790;&#xB3D9;&#xC644;&#xC131;</h4>
<p>&#xAE30;&#xC874;&#xC758; gcc &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC640; &#xB3D9;&#xC77C;&#xD558;&#xAC8C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xC0DD;&#xC131;&#xD558;&#xAE30; &#xC704;&#xD574; 
<code>gcc --completion=&quot;str&quot;</code> &#xBA85;&#xB839;&#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xAE30; &#xB54C;&#xBB38;&#xC5D0; &#xACB0;&#xACFC;&#xC5D0;&#xB294; &#xCC28;&#xC774;&#xAC00; &#xC5C6;&#xC9C0;&#xB9CC; 
&#xBA87; &#xAC00;&#xC9C0; &#xC720;&#xC6A9;&#xD55C; &#xAE30;&#xB2A5;&#xC744; &#xCD94;&#xAC00;&#xD558;&#xC600;&#xC2B5;&#xB2C8;&#xB2E4;. &#xC608;&#xB97C; &#xB4E4;&#xC5B4; &#xBA85;&#xB839;&#xBB38; &#xC791;&#xC131; &#xC911;&#xC5D0; 
<code>*</code>, <code>?</code>, <code>[]</code> glob &#xBB38;&#xC790;&#xB97C; &#xC774;&#xC6A9;&#xD574; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xB97C; &#xAC80;&#xC0C9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
( <code>gcc -save-temps -*alias*[tab]</code> )</p>
<p><a href="https://github.com/mug896/gcc-bash-completion" target="_blank">https://github.com/mug896/gcc-bash-completion</a></p>
<h4 id="clang-&#xBA85;&#xB839;-&#xC790;&#xB3D9;&#xC644;&#xC131;">clang &#xBA85;&#xB839; &#xC790;&#xB3D9;&#xC644;&#xC131;</h4>
<p><a href="https://github.com/mug896/clang-bash-completion" target="_blank">https://github.com/mug896/clang-bash-completion</a></p>
<h4 id="llvm-&#xBA85;&#xB839;-&#xC790;&#xB3D9;&#xC644;&#xC131;">llvm &#xBA85;&#xB839; &#xC790;&#xB3D9;&#xC644;&#xC131;</h4>
<p><a href="https://github.com/mug896/llvm-bash-completion" target="_blank">https://github.com/mug896/llvm-bash-completion</a></p>
<h4 id="go-&#xC5B8;&#xC5B4;-&#xC790;&#xB3D9;&#xC644;&#xC131;">Go &#xC5B8;&#xC5B4; &#xC790;&#xB3D9;&#xC644;&#xC131;</h4>
<p><a href="https://github.com/mug896/go-bash-completion" target="_blank">https://github.com/mug896/go-bash-completion</a></p>
<h4 id="virtualbox-&#xC790;&#xB3D9;&#xC644;&#xC131;">Virtualbox &#xC790;&#xB3D9;&#xC644;&#xC131;</h4>
<p>virtualbox &#xC5D0;&#xC11C;&#xB294; &#xAC00;&#xC0C1;&#xBA38;&#xC2E0; &#xC774;&#xB984;&#xC774;&#xB098; &#xB124;&#xD2B8;&#xC6CC;&#xD06C; &#xC774;&#xB984; &#xB4F1;&#xC744; &#xC785;&#xB825;&#xD560;&#xB54C; multiple words &#xB97C; &#xC0AC;&#xC6A9;&#xD560;
&#xC218; &#xC788;&#xAE30; &#xB54C;&#xBB38;&#xC5D0; <code>IFS</code> &#xAC12;&#xC744; <code>IFS=$&apos;\n&apos;</code> &#xB85C; &#xC0AC;&#xC6A9;&#xD574;&#xC11C; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xB2E8;&#xC5B4;&#xAC00; multiple words &#xB85C;
&#xAD6C;&#xC131;&#xB420; &#xACBD;&#xC6B0; &#xC790;&#xB3D9;&#xC73C;&#xB85C; <code>&apos;foo bar&apos;</code> quotes &#xC744; &#xCD94;&#xAC00;&#xD558;&#xB294; &#xAC83;&#xC744; &#xBCFC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<p><a href="https://github.com/mug896/virtualbox-bash-completion" target="_blank">https://github.com/mug896/virtualbox-bash-completion</a></p>
<h4 id="qemu-&#xBA85;&#xB839;-&#xC790;&#xB3D9;&#xC644;&#xC131;">qemu &#xBA85;&#xB839; &#xC790;&#xB3D9;&#xC644;&#xC131;</h4>
<p>qemu-system-x86_64 &#xBA85;&#xB839;&#xC5D0;&#xC11C;&#xB294; <code>-netdev bridge,id=hostnet0,br=br0,helper=/path/to/helper</code>
&#xC640; &#xAC19;&#xC774; <code>,</code> &#xB85C; &#xBD84;&#xB9AC;&#xB418;&#xB294; &#xC635;&#xC158;&#xAC12; &#xC785;&#xB825;&#xC774;&#xB098; <code>-global virtio-blk-device.scsi=off</code> &#xC640; &#xAC19;&#xC774;
<code>.</code> &#xC73C;&#xB85C; &#xC774;&#xC5B4;&#xC9C0;&#xB294; &#xC635;&#xC158;&#xAC12; &#xC785;&#xB825;&#xC774; &#xC0AC;&#xC6A9;&#xB418;&#xB294;&#xB370; &#xC774;&#xC640;&#xAC19;&#xC740; &#xCC98;&#xB9AC;&#xB97C; &#xD558;&#xAE30;&#xC704;&#xD574; <code>$COMP_WORDBREAKS</code>
&#xBCC0;&#xC218;&#xAC12;&#xC744; &#xCD94;&#xAC00;&#xD558;&#xAC70;&#xB098; &#xC0AD;&#xC81C;&#xD574;&#xC11C; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xAC83;&#xC744; &#xBCFC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<p><a href="https://github.com/mug896/qemu-bash-completion" target="_blank">https://github.com/mug896/qemu-bash-completion</a></p>
<h4 id="ip-&#xBA85;&#xB839;-&#xC790;&#xB3D9;&#xC644;&#xC131;">ip &#xBA85;&#xB839; &#xC790;&#xB3D9;&#xC644;&#xC131;</h4>
<p><a href="https://github.com/mug896/ip-bash-completion" target="_blank">https://github.com/mug896/ip-bash-completion</a>  </p>
<p><a href="https://www.44bits.io/ko/post/container-network-2-ip-command-and-network-namespace" target="_blank">ip &#xB85C; &#xC9C1;&#xC811; &#xB9CC;&#xB4E4;&#xC5B4;&#xBCF4;&#xB294; &#xB124;&#xD2B8;&#xC6CC;&#xD06C; &#xB124;&#xC784;&#xC2A4;&#xD398;&#xC774;&#xC2A4;&#xC640; &#xBE0C;&#xB9AC;&#xC9C0; &#xB124;&#xD2B8;&#xC6CC;&#xD06C;</a></p>
<pre><code class="lang-sh"><span class="hljs-comment"># exec &#xC758; &#xBA85;&#xB839;&#xC73C;&#xB85C; ip &#xAC00; &#xC0AC;&#xC6A9;&#xB420; &#xACBD;&#xC6B0; &#xB450; &#xBC88;&#xC9F8;&#xC640; &#xAC19;&#xC774; -n &#xC635;&#xC158;&#xC744; &#xC774;&#xC6A9;&#xD574; &#xAC04;&#xB2E8;&#xD788; &#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</span>
$ ip netns <span class="hljs-built_in">exec</span> foo ip address add <span class="hljs-number">10.200</span>.<span class="hljs-number">0.3</span>/<span class="hljs-number">24</span> dev veth1
$ ip -n foo address add <span class="hljs-number">10.200</span>.<span class="hljs-number">0.3</span>/<span class="hljs-number">24</span> dev veth1
</code></pre>
<h4 id="initcompwordbreaks-&#xD568;&#xC218;"><code>_init_comp_wordbreaks</code> &#xD568;&#xC218;</h4>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xC791;&#xC131;&#xD558;&#xB2E4; &#xBCF4;&#xBA74; <code>$COMP_WORDBREAKS</code> &#xAC12;&#xC744; &#xBCC0;&#xACBD;&#xD574; &#xC0AC;&#xC6A9;&#xD558;&#xBA74; &#xC88B;&#xC744;&#xB54C;&#xAC00; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xD558;&#xC9C0;&#xB9CC; &#xC774;&#xBCC0;&#xC218;&#xB294; global &#xBCC0;&#xC218;&#xB77C; &#xBCC0;&#xACBD;&#xC744; &#xD558;&#xBA74; &#xAE30;&#xC874;&#xAC12;&#xC5D0; &#xB530;&#xB77C; &#xC791;&#xC131;&#xB41C; &#xB2E4;&#xB978; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC5D0;
&#xC601;&#xD5A5;&#xC744; &#xBBF8;&#xCE58;&#xAE30; &#xB54C;&#xBB38;&#xC5D0; &#xAC00;&#xB2A5;&#xD558;&#xBA74; &#xBCC0;&#xACBD;&#xC744;&#xD558;&#xC9C0; &#xC54A;&#xB294;&#xAC83;&#xC774; &#xC88B;&#xC2B5;&#xB2C8;&#xB2E4;.
<code>_init_comp_wordbreaks</code> &#xD568;&#xC218;&#xB294; <code>$COMP_WORDBREAKS</code> &#xBCC0;&#xC218;&#xC758; &#xAE30;&#xC874;&#xAC12;&#xC73C;&#xB85C;&#xC758; &#xBCF5;&#xAD6C;&#xB97C; &#xC790;&#xB3D9;&#xC73C;&#xB85C;
&#xD574;&#xC90D;&#xB2C8;&#xB2E4;. &#xB530;&#xB77C;&#xC11C; <code>$COMP_WORDBREAKS</code> &#xBCC0;&#xC218;&#xB97C; &#xBCC0;&#xACBD;&#xD574; &#xC0AC;&#xC6A9;&#xD560;&#xB54C; &#xBFD0;&#xB9CC;&#xC544;&#xB2C8;&#xB77C; 
&#xBAA8;&#xB4E0; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC758; &#xC2DC;&#xC791;&#xC744; <code>_init_comp_wordbreaks</code> &#xB85C; &#xD558;&#xB294;&#xAC83;&#xC774; &#xC88B;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh"><span class="hljs-function"><span class="hljs-title">_init_comp_wordbreaks</span></span>()
{
    <span class="hljs-keyword">if</span> [[ <span class="hljs-variable">$PROMPT_COMMAND</span> =~ ^:[^\;]+\;COMP_WORDBREAKS ]]; <span class="hljs-keyword">then</span>
        [[ <span class="hljs-variable">$PROMPT_COMMAND</span> =~ ^:\ ([^;]+)\; ]]
        [[ <span class="hljs-variable">${BASH_REMATCH[1]}</span> != <span class="hljs-string">&quot;<span class="hljs-variable">${COMP_WORDS[0]}</span>&quot;</span> ]] &amp;&amp; <span class="hljs-built_in">eval</span> <span class="hljs-string">&quot;<span class="hljs-variable">${PROMPT_COMMAND%%$&apos;\n&apos;*}</span>&quot;</span>
    <span class="hljs-keyword">fi</span>
    <span class="hljs-keyword">if</span> ! [[ <span class="hljs-variable">$PROMPT_COMMAND</span> =~ ^:[^\;]+\;COMP_WORDBREAKS ]]; <span class="hljs-keyword">then</span>
        PROMPT_COMMAND=<span class="hljs-string">&quot;: <span class="hljs-variable">${COMP_WORDS[0]}</span>;COMP_WORDBREAKS=<span class="hljs-variable">${COMP_WORDBREAKS@Q}</span>;\
        &quot;</span>$<span class="hljs-string">&apos;PROMPT_COMMAND=${PROMPT_COMMAND#*$\&apos;</span>\\n\<span class="hljs-string">&apos;}\n&apos;</span><span class="hljs-variable">$PROMPT_COMMAND</span>
    <span class="hljs-keyword">fi</span>
}
-------------------------------------------------------------------------

<span class="hljs-comment"># &#xB9CC;&#xC57D;&#xC5D0; clang &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xC5D0;&#xC11C; &quot;:&quot; &#xBB38;&#xC790;&#xB97C; $COMP_WORDBREAKS &#xC5D0;&#xC11C; &#xC81C;&#xC678;&#xD574;&#xC11C; </span>
<span class="hljs-comment"># &#xC0AC;&#xC6A9;&#xD558;&#xB824;&#xBA74; &#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC774; &#xCD94;&#xAC00;&#xD574;&#xC8FC;&#xBA74; &#xB429;&#xB2C8;&#xB2E4;.</span>
<span class="hljs-function"><span class="hljs-title">_clang</span></span>() 
{
    _init_comp_wordbreaks
    COMP_WORDBREAKS=<span class="hljs-variable">${COMP_WORDBREAKS//:/}</span>
    . . .
<span class="hljs-comment"># _init_comp_wordbreaks &#xB97C; &#xC774;&#xC6A9;&#xD574; &quot;:&quot; &#xBB38;&#xC790;&#xB97C; $COMP_WORDBREAKS &#xC5D0;&#xC11C; &#xC81C;&#xC678;&#xD560; &#xACBD;&#xC6B0;</span>
$ clang -Zc:t[tab]
-Zc:ternary          -Zc:threadSafeInit-  -Zc:trigraphs-       -Zc:twoPhase-
-Zc:threadSafeInit   -Zc:trigraphs        -Zc:twoPhase

<span class="hljs-comment"># &#xAE30;&#xC874;&#xACFC; &#xAC19;&#xC774; &quot;:&quot; &#xBB38;&#xC790;&#xAC00; $COMP_WORDBREAKS &#xC5D0; &#xD3EC;&#xD568;&#xB420; &#xACBD;&#xC6B0;</span>
$ clang -Zc:t[tab]
ternary          threadSafeInit-  trigraphs-       twoPhase-
threadSafeInit   trigraphs        twoPhase
</code></pre>
<h3 id="completion-&#xD65C;&#xC6A9;">Completion &#xD65C;&#xC6A9;</h3>
<p>&#xC790;&#xB3D9;&#xC644;&#xC131; &#xAE30;&#xB2A5;&#xC744; &#xD65C;&#xC6A9;&#xD558;&#xC5EC; &#xC790;&#xC8FC; &#xC0AC;&#xC6A9;&#xD558;&#xB294; &#xBA85;&#xB839; &#xC635;&#xC158;&#xC774;&#xB098;, &#xBB38;&#xC7A5;&#xC744; &#xD55C;&#xBC88;&#xC5D0; &#xC785;&#xB825;&#xD569;&#xB2C8;&#xB2E4;.  </p>
<pre><code class="lang-bash"><span class="hljs-comment"># ~/.bashrc.d &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xC5D0; &#xB450;&#xC5B4; &#xC258; &#xC2E4;&#xD589;&#xC2DC; source &#xBA85;&#xB839;&#xC73C;&#xB85C; &#xC77D;&#xC5B4; &#xB4E4;&#xC785;&#xB2C8;&#xB2E4;.</span>
$ cat myOptions.sh
complete -W -fsyntax-only clang
complete -W <span class="hljs-string">&apos;&quot;-std=c++20 -fsyntax-only&quot;&apos;</span> clang++
complete -W $<span class="hljs-string">&apos;&quot;\&apos;</span>BEGIN { }\<span class="hljs-string">&apos;&quot;&apos;</span> awk
</code></pre>
<video width="662" height="108" controls preload="auto">
  <source src="images/completion_tips.mp4" type="video/mp4">
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</video>


<h4 id="&#xC2DC;&#xC2A4;&#xD15C;&#xC758;-completion-&#xC2A4;&#xD06C;&#xB9BD;&#xD2B8;-&#xD30C;&#xC77C;-&#xC704;&#xCE58;">&#xC2DC;&#xC2A4;&#xD15C;&#xC758; completion &#xC2A4;&#xD06C;&#xB9BD;&#xD2B8; &#xD30C;&#xC77C; &#xC704;&#xCE58;</h4>
<p>bash shell &#xC740; &#xC2DC;&#xC791;&#xC2DC; &#xC790;&#xB3D9;&#xC73C;&#xB85C; 
<code>~/.bash_completion</code> &#xD30C;&#xC77C;&#xACFC; 
<code>/usr/share/bash-completion/</code> , <code>/etc/bash_completion.d</code> ,
<code>$HOME/.local/share/bash-completion/completions/(*.bash &#xD655;&#xC7A5;&#xC790;)</code>
&#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xC5D0;&#xC11C; &#xC2A4;&#xD06C;&#xB9BD;&#xD2B8; &#xD30C;&#xC77C;&#xC744; &#xC77D;&#xC5B4;&#xB4E4;&#xC785;&#xB2C8;&#xB2E4;.</p>
<h1 id="quiz">Quiz</h1>
<p>&#xC704;&#xC5D0;&#xC11C; &#xC124;&#xBA85;&#xC744; &#xD588;&#xC9C0;&#xB9CC; bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xB97C; &#xC124;&#xCE58;&#xD558;&#xBA74; bash &#xC5D0;&#xC11C; default &#xB85C; &#xC124;&#xC815;&#xB418;&#xB294; 
<code>$2</code>, <code>$3</code> &#xBCC0;&#xC218;&#xB97C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC5C6;&#xC2B5;&#xB2C8;&#xB2E4;.
&#xC774;&#xAC83;&#xC740; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xC791;&#xC131;&#xC2DC; <code>[[ $COMP_WORDBREAKS == *$cur* ]] &amp;&amp; cur=&quot;&quot;</code> &#xC640; &#xAC19;&#xC774; 
&#xBD88;&#xD544;&#xC694;&#xD55C; &#xCF54;&#xB4DC;&#xB97C; &#xCD94;&#xAC00;&#xD558;&#xAC8C; &#xB9CC;&#xB4DC;&#xB294;&#xB370;&#xC694;.
&#xC774;&#xAC83;&#xC740; &#xD2B9;&#xD788; bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xC5D0;&#xC11C; &#xC81C;&#xACF5;&#xD558;&#xB294; sudo &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xC0AC;&#xC6A9;&#xD558;&#xAC8C; &#xB420;&#xB54C;
&#xACA9;&#xC744;&#xC218; &#xC788;&#xB294;&#xB370; &#xC774; sudo &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xB2E4;&#xC2DC; &#xC791;&#xC131;&#xD558;&#xC5EC; &#xC218;&#xC815;&#xD574;&#xBCF4;&#xB294; &#xAC83;&#xC785;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh"><span class="hljs-function"><span class="hljs-title">_sudo</span></span>() 
{
    <span class="hljs-built_in">local</span> IFS=$<span class="hljs-string">&apos; \t\n&apos;</span> arr func cmd=<span class="hljs-variable">${COMP_WORDS[1]}</span> cur=<span class="hljs-variable">$2</span> i
    <span class="hljs-keyword">if</span> (( COMP_CWORD == <span class="hljs-number">1</span> )); <span class="hljs-keyword">then</span>                <span class="hljs-comment"># sudo comm[tab] &#xC0C1;&#xD0DC;&#xC77C; &#xACBD;&#xC6B0;</span>
        COMPREPLY=($( compgen -A <span class="hljs-built_in">command</span> -- <span class="hljs-string">&quot;<span class="hljs-variable">$cur</span>&quot;</span> ))
        <span class="hljs-built_in">return</span>
    <span class="hljs-keyword">fi</span>
    <span class="hljs-keyword">if</span> ! complete -p <span class="hljs-string">&quot;<span class="hljs-variable">$cmd</span>&quot;</span> &amp;&gt; /dev/null; <span class="hljs-keyword">then</span>    <span class="hljs-comment"># &#xC0AC;&#xC6A9;&#xC790; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xAC00; &#xB4F1;&#xB85D;&#xB418;&#xC9C0; &#xC54A;&#xC558;&#xC73C;&#xBA74;</span>
        _completion_loader <span class="hljs-string">&quot;<span class="hljs-variable">$cmd</span>&quot;</span> &amp;&gt; /dev/null    <span class="hljs-comment"># bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xC758; loader &#xB97C;&#xC2DC;&#xB3C4;</span>
    <span class="hljs-keyword">fi</span>
    <span class="hljs-keyword">if</span> arr=( $(complete -p <span class="hljs-string">&quot;<span class="hljs-variable">$cmd</span>&quot;</span> <span class="hljs-number">2</span>&gt; /dev/null) ); <span class="hljs-keyword">then</span>
        <span class="hljs-keyword">for</span> (( i = <span class="hljs-number">1</span>; i &lt; <span class="hljs-variable">${#arr[@]}</span>; i++ )); <span class="hljs-keyword">do</span>      <span class="hljs-comment"># &#xC0AC;&#xC6A9;&#xC790; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xC774;&#xB984;&#xC744; &#xC124;&#xC815;</span>
            [[ <span class="hljs-variable">${arr[i]}</span> == -F ]] &amp;&amp; { func=<span class="hljs-variable">${arr[i + 1]}</span>; <span class="hljs-built_in">break</span> ;}
        <span class="hljs-keyword">done</span>
        <span class="hljs-keyword">if</span> [[ -n <span class="hljs-variable">$func</span> ]]; <span class="hljs-keyword">then</span> 
            COMP_LINE=<span class="hljs-variable">${COMP_LINE/$1+( )/}</span>        <span class="hljs-comment"># $COMP_LINE &#xC5D0;&#xC11C; sudo &#xC81C;&#xAC70;</span>
            COMP_POINT=<span class="hljs-variable">${#COMP_LINE}</span>              <span class="hljs-comment"># COMP_POINT &#xAC12; &#xC218;&#xC815;</span>
            <span class="hljs-built_in">unset</span> -v <span class="hljs-string">&apos;COMP_WORDS[0]&apos;</span>              <span class="hljs-comment"># COMP_WORDS &#xBC30;&#xC5F4;&#xC5D0;&#xC11C; sudo &#xC81C;&#xAC70;</span>
            COMP_WORDS=( <span class="hljs-string">&quot;<span class="hljs-variable">${COMP_WORDS[@]}</span>&quot;</span> )     <span class="hljs-comment"># COMP_WORDS &#xBC30;&#xC5F4; &#xC7AC;&#xC124;&#xC815;</span>
            <span class="hljs-built_in">let</span> COMP_CWORD--                      <span class="hljs-comment"># COMP_CWORD &#xB97C; -1 &#xD558;&#xACE0;</span>
            <span class="hljs-string">&quot;<span class="hljs-variable">$func</span>&quot;</span> <span class="hljs-string">&quot;<span class="hljs-variable">$cmd</span>&quot;</span> <span class="hljs-string">&quot;<span class="hljs-variable">$2</span>&quot;</span> <span class="hljs-string">&quot;<span class="hljs-variable">$3</span>&quot;</span>              <span class="hljs-comment"># &#xC0AC;&#xC6A9;&#xC790; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218; &#xD638;&#xCD9C; </span>
        <span class="hljs-keyword">fi</span>
    <span class="hljs-keyword">fi</span>
}
<span class="hljs-function"><span class="hljs-title">_hello</span></span>() 
{
    <span class="hljs-built_in">echo</span>
    <span class="hljs-built_in">echo</span> <span class="hljs-string">&apos;$1:&apos;</span><span class="hljs-string">&quot; [<span class="hljs-variable">$1</span>]&quot;</span>
    <span class="hljs-built_in">echo</span> <span class="hljs-string">&apos;$2:&apos;</span><span class="hljs-string">&quot; [<span class="hljs-variable">$2</span>] / [<span class="hljs-variable">${COMP_WORDS[COMP_CWORD]}</span>]&quot;</span>
    <span class="hljs-built_in">echo</span> <span class="hljs-string">&apos;$3:&apos;</span><span class="hljs-string">&quot; [<span class="hljs-variable">$3</span>]&quot;</span>
}
complete -o default -o bashdefault -F _sudo sudo <span class="hljs-built_in">command</span>     <span class="hljs-comment"># command builtin &#xBA85;&#xB839;</span>
complete -F _hello hello

---------------------------------------------------------------

<span class="hljs-comment"># &#xC0C8;&#xB85C;&#xB9CC;&#xB4E0; sudo &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;                  # &#xAE30;&#xC874; bash-completion sudo &#xD568;&#xC218;</span>
$ sudo hello --foo=[tab]                  $ sudo hello --foo=[tab]
<span class="hljs-variable">$1</span>: [hello]                               <span class="hljs-variable">$1</span>: [hello]
<span class="hljs-variable">$2</span>: [] / [=]                              <span class="hljs-variable">$2</span>: [=] / [=]
<span class="hljs-variable">$3</span>: [--foo]                               <span class="hljs-variable">$3</span>: [--foo]
^C                                        ^C

$ sudo hello --foo=<span class="hljs-string">&quot;bar[tab]              $ sudo hello --foo=&quot;</span>bar[tab]
<span class="hljs-variable">$1</span>: [hello]                               <span class="hljs-variable">$1</span>: [hello]
<span class="hljs-variable">$2</span>: [bar] / [<span class="hljs-string">&quot;bar]                        <span class="hljs-variable">$2</span>: [&quot;</span>bar] / [<span class="hljs-string">&quot;bar]
<span class="hljs-variable">$3</span>: [=]                                   <span class="hljs-variable">$3</span>: [=]
^C                                        ^C
</span></code></pre>
<p>&#xC774;&#xBC88;&#xC5D0;&#xB294; <code>-I</code> ( initial word ) &#xC635;&#xC158;&#xC744; &#xC774;&#xC6A9;&#xD574; <code>LD_BIND_NOW</code> <code>LD_DEBUG</code> <code>LD_LIBRARY_PATH</code>
<code>LD_PRELOAD</code> <code>LD_TRACE_LOADED_OBJECTS</code> <code>LANG</code> <code>LANGUAGE</code> <code>LC_CTYPE</code> <code>LC_COLLATE</code> <code>LC_ALL</code>
&#xBCC0;&#xC218;&#xB4E4;&#xC744; &#xCD94;&#xAC00;&#xD574; &#xBCF4;&#xACA0;&#xC2B5;&#xB2C8;&#xB2E4; ( man ld.so ).
&#xBA85;&#xB839;&#xC5D0; &#xC120;&#xD589;&#xD558;&#xB294; &#xBCC0;&#xC218;&#xB294; &#xC790;&#xB3D9;&#xC73C;&#xB85C; <code>COMP_*</code> &#xBCC0;&#xC218;&#xB4E4; &#xAC12;&#xC5D0;&#xC11C; &#xC81C;&#xC678;&#xB429;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-sh">complete -I -o bashdefault -W <span class="hljs-string">&quot;LD_BIND_NOW LD_DEBUG LD_LIBRARY_PATH LD_PRELOAD
    LD_TRACE_LOADED_OBJECTS LANG LANGUAGE LC_CTYPE LC_NUMERIC LC_TIME LC_COLLATE LC_ALL&quot;</span>
-------------------------------------------------------------------------

$ LD_[tab]
LD_BIND_NOW              LD_LIBRARY_PATH          LD_TRACE_LOADED_OBJECTS
LD_DEBUG                 LD_PRELOAD

$ LD_DEBUG=libs cla[tab]
clang                     clang-format              clang-refactor
. . .
$ LD_DEBUG=libs clang --std[tab]
--std=     --stdlib=
</code></pre>
<blockquote>
<p>&#xC704;&#xC5D0;&#xC11C; &#xC791;&#xC131;&#xD55C; uftrace, kill, httpie ... &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB4E4;&#xB3C4; &#xBAA8;&#xB450; &#xC815;&#xC0C1;&#xC801;&#xC73C;&#xB85C;
&#xB3D9;&#xC791;&#xD558;&#xB294; &#xAC83;&#xC744; &#xBCFC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. &#xC774;&#xC640; &#xAC19;&#xC774; bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xB97C; &#xC0AC;&#xC6A9;&#xD558;&#xC9C0; &#xC54A;&#xACE0;&#xB3C4;
bash &#xC5D0;&#xC11C; &#xC81C;&#xACF5;&#xD558;&#xB294; &#xAE30;&#xBCF8; &#xAE30;&#xB2A5;&#xB9CC;&#xC73C;&#xB85C; &#xCDA9;&#xBD84;&#xD788; &#xC790;&#xB3D9;&#xC644;&#xC131; &#xD568;&#xC218;&#xB97C; &#xB9CC;&#xB4E4;&#xC218;&#xAC00; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
shell &#xC5D0;&#xC11C;&#xB294; &#xC790;&#xAE30;&#xAC00; &#xD558;&#xACE0;&#xC2F6;&#xC740; &#xAC83;&#xC744; &#xC678;&#xBD80;&#xBA85;&#xB839;&#xC744; &#xC2E4;&#xD589;&#xD574;&#xC11C; &#xB2E4; &#xD560;&#xC218;&#xC788;&#xB294;&#xB370;
&#xC65C; &#xB610; bash-completion &#xAC19;&#xC740; &#xD568;&#xC218;&#xAC00; &#xD544;&#xC694;&#xD569;&#xB2C8;&#xAE4C;? &#xADF8;&#xB807;&#xC8E0;? bash-completion &#xD328;&#xD0A4;&#xC9C0;&#xB3C4;
&#xB2E4; &#xC704;&#xC5D0;&#xC11C; &#xC124;&#xBA85;&#xD55C; bash &#xC5D0;&#xC11C; &#xC81C;&#xACF5;&#xD558;&#xB294; &#xAE30;&#xB2A5;&#xC73C;&#xB85C; &#xB9CC;&#xB4DC;&#xB294; &#xAC83;&#xC785;&#xB2C8;&#xB2E4;.</p>
</blockquote>
<h1 id="2-">2 .</h1>
<p>&#xD604;&#xC7AC; &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xC5D0;&#xC11C; &#xD30C;&#xC77C;&#xC740; &#xC81C;&#xC678;&#xD558;&#xACE0; &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xB9CC; &#xCD9C;&#xB825;&#xD558;&#xB824;&#xBA74; &#xC5B4;&#xB5BB;&#xAC8C; &#xD560;&#xAE4C;&#xC694;?</p>
<pre><code class="lang-bash"><span class="hljs-comment"># &#xD604;&#xC7AC; &#xB514;&#xB809;&#xD1A0;&#xB9AC; &#xAD6C;&#xC131;&#xC774; &#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC744; &#xACBD;&#xC6B0;</span>
$ ls <span class="hljs-operator">-a</span>
./  ../  .aaa/  .bbb/  .ccc/  bar/  foo/  zoo/  .hidden.txt  file1.txt  file2.txt


$ compgen <span class="hljs-operator">-d</span>                         $ compgen <span class="hljs-operator">-d</span> <span class="hljs-variable">$PWD</span>/      <span class="hljs-comment"># &#xC804;&#xCCB4; &#xACBD;&#xB85C;&#xB97C; &#xCD9C;&#xB825;  </span>
.aaa                                 /home/mug896/tmp/.aaa
.bbb                                 /home/mug896/tmp/.bbb
.ccc                                 /home/mug896/tmp/.ccc
bar                                  /home/mug896/tmp/bar
foo                                  /home/mug896/tmp/foo
zoo                                  /home/mug896/tmp/zoo
-----------------------------------------------------------

<span class="hljs-comment"># &#xBAA8;&#xB4E0; &#xD30C;&#xC77C;&#xC744; &#xCD9C;&#xB825;</span>
$ compgen <span class="hljs-operator">-f</span>                         $ compgen <span class="hljs-operator">-f</span> <span class="hljs-variable">$PWD</span>/      <span class="hljs-comment"># &#xC804;&#xCCB4; &#xACBD;&#xB85C;&#xB97C; &#xCD9C;&#xB825;</span>
.aaa                                 /home/mug896/tmp/.aaa
.bbb                                 /home/mug896/tmp/.bbb
.ccc                                 /home/mug896/tmp/.ccc
.hidden.txt                          /home/mug896/tmp/.hidden.txt
bar                                  /home/mug896/tmp/bar
file1.txt                            /home/mug896/tmp/file1.txt
file2.txt                            /home/mug896/tmp/file2.txt
foo                                  /home/mug896/tmp/foo
zoo                                  /home/mug896/tmp/zoo
------------------------------------------------------------

<span class="hljs-comment"># dot &#xD30C;&#xC77C;&#xC740; &#xC81C;&#xC678;&#xD558;&#xACE0; &#xCD9C;&#xB825;               # dot &#xD30C;&#xC77C;&#xB9CC; &#xCD9C;&#xB825; </span>
$ compgen -G <span class="hljs-string">&apos;*&apos;</span>                     $ compgen -G <span class="hljs-string">&apos;.*&apos;</span> -X <span class="hljs-string">&apos;+(.)&apos;</span>  <span class="hljs-comment"># &quot;.&quot; &quot;..&quot; &#xC81C;&#xAC70;</span>
foo                                  .hidden.txt
file2.txt                            .bbb
file1.txt                            .ccc
zoo                                  .aaa
bar
</code></pre>
<p>&#xB2E4;&#xC74C;&#xC740; &#xB514;&#xB809;&#xD1A0;&#xB9AC;&#xB97C; &#xC81C;&#xC678;&#xD558;&#xACE0; &#xD30C;&#xC77C;&#xB9CC; &#xCD9C;&#xB825;&#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ res=$( IFS=$<span class="hljs-string">&apos;\n&apos;</span>; AA=(`compgen <span class="hljs-operator">-d</span>`); IFS=<span class="hljs-string">&apos;|&apos;</span>; <span class="hljs-built_in">eval</span> compgen <span class="hljs-operator">-f</span> -X <span class="hljs-string">&apos;@(&quot;${AA[*]}&quot;)&apos;</span> )
$ <span class="hljs-built_in">echo</span> <span class="hljs-string">&quot;<span class="hljs-variable">$res</span>&quot;</span>
.hidden.txt
file1.txt
file2.txt

$ find . -maxdepth <span class="hljs-number">1</span> ! -type d 
./file1.txt
./file2.txt
./.hidden.txt

$ find * .*[^.]* -maxdepth <span class="hljs-number">0</span> ! -type d          <span class="hljs-comment"># &apos;./&apos; &#xB97C; &#xC81C;&#xAC70;&#xD558;&#xACE0; &#xCD9C;&#xB825;</span>
file1.txt
file2.txt
.hidden.txt

$ find . -maxdepth <span class="hljs-number">1</span> ! -type d ! -name <span class="hljs-string">&apos;.*&apos;</span>     <span class="hljs-comment"># hidden &#xD30C;&#xC77C;&#xC740; &#xC81C;&#xC678;&#xD558;&#xACE0; &#xCD9C;&#xB825;</span>
./file1.txt
./file2.txt

$ find . -maxdepth <span class="hljs-number">1</span> ! -type d ! -name <span class="hljs-string">&apos;.*&apos;</span> -printf <span class="hljs-string">&apos;%P\n&apos;</span>
file1.txt
file2.txt
</code></pre>

                    
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