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Add usage string and document stdin/stdout behavior. #51

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merged 2 commits into from
Nov 20, 2024
Merged

Add usage string and document stdin/stdout behavior. #51

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2a37c91
Add usage string and document stdin/stdout behavior.
nanaze Nov 14, 2024
9e26696
Inline method as external call is no longer needed.
nanaze Nov 16, 2024
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Inline method as external call is no longer needed. 
context: https://goto.google.com/drcao
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@nanaze
nanaze committed Nov 16, 2024
commit 9e266961ebf7e17529c2b768846dfe16a1d905af
10 changes: 3 additions & 7 deletions main.go
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Original file line number Diff line number Diff line change
Expand Up @@ -28,12 +28,6 @@ import (
flag "github.com/spf13/pflag"
)

func PrintUsage() {
fmt.Fprintf(os.Stderr, "Usage: %s [flags] file1 [file2 ...]\n\n", path.Base(os.Args[0]))
fmt.Fprint(os.Stderr, "Note that '-' can be used to read from stdin, "+
"in which case the output is written to stdout.\n\n")
}

func main() {
c := &cmd.Config{}
c.FromFlags(nil)
Expand All @@ -45,7 +39,9 @@ func main() {
}

flag.Usage = func() {
PrintUsage()
fmt.Fprintf(os.Stderr, "Usage: %s [flags] file1 [file2 ...]\n\n", path.Base(os.Args[0]))
fmt.Fprint(os.Stderr, "Note that '-' can be used to read from stdin, "+
"in which case the output is written to stdout.\n\n")
fmt.Fprintln(os.Stderr, "Flags:")
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flag.PrintDefaults()
}
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