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@jkawamoto(Junpei Kawamoto)

外部コマンドのstdout/stderrをzapに送る

Last updated at 2022-04-11Posted at 2022-03-21

exec.Command及びexec.CommandContextで実行した外部コマンドの標準出力や標準エラー出力をzapでログに記録するには、 zapio.Writerを使うと良い。

logger, _ := zap.NewDevelopment()
w := &zapio.Writer{
    Log: logger,
    Level: zap.DebugLevel,
}
defer w.Close()

cmd := exec.Command("echo", "hello world")
cmd.Stdout = w
cmd.Stderr = w
cmd.Run()

参考

Possible to set exec.Command Stdout and Stderr to zap?

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