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ruby で標準エラー出力に pp する

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こんにちは,久しぶりにバッチを書いている @isseium です.

とあるバッチを作っていて標準エラー出力にppしたくなりました.
調べたらこんな感じでした.

PP.pp("出力したいメッセージ", STDERR)

もっとクールな方法があれば教えてほしいです.

ついでに

ppのドキュメントを読むと第三引数で表示幅も変えられるっぽいですね.

pp(obj, out = $>, width = 79) -> object

参考

http://docs.ruby-lang.org/ja/2.1.0/class/PP.html

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