Buravo46/shell_tips.md

Created June 1, 2017 13:48

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【Shell】エラー処理

Raw

    $?で判定のパターン

grep -e "hoge" hoge.txt
if [ $? -ne 0 ]; then
  echo "error"
fi

条件文でコマンド実行のパターン

if ls hoge.txt ; then
  echo "found"
else
  echo "not found"
fi


  