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Buravo46/shell_tips.md

Created June 1, 2017 13:48
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【Shell】エラー処理
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shell_tips.md
  • $?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
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