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改行コードをCR+LF(Windows)からLF(Linux)に変更する方法

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  • Windowsの改行コードはCR+LF
  • Linuxの改行コードはLF
  • メールとかで添付されたファイルをMacのemacsで開くと"^M"が表示されてうざい(時がある)
  • コマンドラインですっきり解決
$ tr -d '\r' < original_file > edited_file
  • 上のコマンドだと改行が無くなっちゃうときがある
  • そんな時はこれ
$ tr '\r' '\n' < original_file > edited_file
  • そもそもメールでコードのやり取りとかはうざい
  • gitとか使ったほうがいい
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