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@kkdd

終了ステータスと標準出力の両方を受け取って処理

Last updated at Posted at 2018-10-09

こんにちは。
終了ステータスと標準出力の両方を受け取って処理してみました。標準出力は一時的な変数（下記でRET）に格納しています。

$ RET=$(grep lunch memo.txt) && echo "$RET" || echo "none"
lunch
$ RET=$(grep foo memo.txt) && echo "$RET" || echo "none"
none
$
$ cat memo.txt
lunch
dinner
$
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