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@rukajorudano

Bash ＊クウォートの違い

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事前準備

$ ls=ls

コマンド

最初に以下のコマンドを実行してみるとわかりやすい

$ echo '$ls'
$ echo "$ls"
$ echo `$ls`

ちょっと解説

  • 'シングルクウォート'
    • 文字列展開(変数展開なし)
  • "ダブルクウォート"
    • 文字列展開(変数展開あり)
  • `バッククウォート`
    • コマンド展開
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