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既に存在しているファイルを簡単に空ファイルに変える方法が目からうろこだったので共有する

Posted at
  • 既にファイルが存在しない場合
touch path/to/file.txt
  • 既にファイルが存在していて、空に上書きしたい場合
: > path/to/file.txt
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