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Mac で rename コマンド(ファイル名一括変換)

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Mac には Linux の rename コマンドがありません。Homebrew に似たのがあるので、入れてみます。(名前は同じですが別物のようです。)

brew install rename

使い方

foo を bar に、hello を ciao に変える場合はこんな感じです。

rename -s foo bar -s hello ciao *

正規表現で置換。

rename 's/\.htm$/.html/' *.htm

もちろん後方参照も使えます。

rename 's/img-(\d*).jpg/foo-$1-bar.jpg/' *

ディレクトリ内のファイルを再帰的に改名するには find と組み合わせて使います。Mac に標準で入っているの bash の glob の '*' は深いディレクトリ階層にマッチしないためです。

find . -name "*foo*" | xargs rename -s foo bar

ドキュメントは以下です。
http://plasmasturm.org/code/rename/

shuhei
日々「知らなかったなー」と思ったことを書いていきます。
https://shuheikagawa.com
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