update

sooids · Nov 21, 2020 · 2e5034c · 2e5034c
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diff --git a/exp_and_sub/parameter_expansion.html b/exp_and_sub/parameter_expansion.html
@@ -2013,12 +2013,12 @@ <h1 id="quiz">Quiz</h1>
 <h1 id="2-">2 .</h1>
 <p>&#xBA85;&#xB839;&#xC758; &#xC778;&#xC218;&#xB85C; &#xD30C;&#xC77C;&#xC774; &#xC8FC;&#xC5B4;&#xC9C0;&#xBA74; &#xD30C;&#xC77C;&#xC5D0;&#xC11C; &#xB77C;&#xC778;&#xC744; &#xC77D;&#xC5B4;&#xB4E4;&#xC5EC; &#xCC98;&#xB9AC;&#xD558;&#xACE0;,
 &#xADF8;&#xB807;&#xC9C0; &#xC54A;&#xC73C;&#xBA74; stdin ( &#xD130;&#xBBF8;&#xB110;, &#xD30C;&#xC774;&#xD504;, redirection ) &#xC5D0;&#xC11C; &#xB77C;&#xC778;&#xC744; &#xC77D;&#xC5B4;&#xC11C; &#xCC98;&#xB9AC;&#xD558;&#xB294; &#xBA85;&#xB839;&#xC744; &#xB9CC;&#xB4DC;&#xB294; &#xAC83;&#xC785;&#xB2C8;&#xB2E4;.</p>
-<pre><code class="lang-bash">$ <span class="hljs-function"><span class="hljs-title">fun</span></span> () {                                      $ cat tmp.txt
-    <span class="hljs-built_in">local</span> sum                                   <span class="hljs-number">111</span>
-    <span class="hljs-keyword">while</span> <span class="hljs-built_in">read</span> -r line                          <span class="hljs-number">222</span>
-    <span class="hljs-keyword">do</span>                                          <span class="hljs-number">333</span>
+<pre><code class="lang-bash">$ <span class="hljs-function"><span class="hljs-title">fun</span></span> () {                                        $ cat tmp.txt
+    <span class="hljs-built_in">local</span> sum                                     <span class="hljs-number">111</span>
+    <span class="hljs-keyword">while</span> <span class="hljs-built_in">read</span> -r line                            <span class="hljs-number">222</span>
+    <span class="hljs-keyword">do</span>                                            <span class="hljs-number">333</span>
         sum+=<span class="hljs-string">&quot;<span class="hljs-variable">$line</span>&quot;</span>$<span class="hljs-string">&apos;\n&apos;</span>
-    <span class="hljs-keyword">done</span> &lt; <span class="hljs-string">&quot;<span class="hljs-variable">${1:-/dev/stdin}</span>&quot;</span>
+    <span class="hljs-keyword">done</span> &lt; <span class="hljs-string">&quot;<span class="hljs-variable">${1:-/dev/stdin}</span>&quot;</span> || <span class="hljs-built_in">return</span>
 
     <span class="hljs-built_in">echo</span> ----------------------
     <span class="hljs-built_in">echo</span> -n <span class="hljs-string">&quot;<span class="hljs-variable">$sum</span>&quot;</span>

diff --git a/search_index.json b/search_index.json