How can I have ruby logger log output to stdout as well as file?

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[key_amb]

なるほど。IOオブジェクトのラッパーを作るのか #Ruby

[progrhyme]

なるほど。IOオブジェクトのラッパーを作るのか #Ruby

[riocampos]

Logger出力を2箇所以上に行う方法。標準出力以外にファイルやStringIOへも出力させる。