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os/exec: remove unnecessary fmt.Sprintf call
Signed-off-by: guoguangwu <guoguangwug@gmail.com>
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@ -304,7 +304,7 @@ func cmdExit(args ...string) {
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}
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func cmdDescribeFiles(args ...string) {
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f := os.NewFile(3, fmt.Sprintf("fd3"))
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f := os.NewFile(3, "fd3")
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ln, err := net.FileListener(f)
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if err == nil {
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fmt.Printf("fd3: listener %s\n", ln.Addr())
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