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シェルで標準出力と標準エラー出力を別々のファイルに書き出す

Last updated at Posted at 2019-10-20

bashだと方法がたくさん出てくるのだけど、cshではなかなか見つからなかったので、メモ。

bash系

標準出力をfile1に、標準エラー出力をfile2に書き出し

command 1> file1 2> file2

標準出力と標準エラー出力を両方ともfileに書き出し

command &> file

csh系

標準出力をfile1に、標準エラー出力をfile2に書き出し

(command > file1) >& file2

標準出力と標準エラー出力を両方ともfileに書き出し

command >& file

空出力

fileに/dev/nullを指定すると、空出力する

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