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use stderr to print usage

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itchyny 2020-01-08 12:03:10 +09:00
parent 96d19d4ed3
commit d576ba920d
1 changed files with 1 additions and 1 deletions
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2
cmd/mmv/main.go
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@ -60,7 +60,7 @@ Options:
}
args = fs.Args()
if len(args) == 0 {
fmt.Printf("usage: %s files ...\n", name)
fmt.Fprintf(os.Stderr, "usage: %s files ...\n", name)
return exitCodeErr
}
if err := rename(args); err != nil {