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PowerShellでファイル名一括置換

Last updated at Posted at 2018-08-21

基本的な使い方

ls | Rename-Item -NewName { $_.Name -replace '置換対象文字列','置換後文字列'}

> ls

HOGE1.txt
HOGE2.txt
HOGE3.txt

とあった場合、HOGEをFUGAにしたいときは下記のようにする。

> ls | Rename-Item -NewName { $_.Name -replace 'HOGE(.*)','FUGA$1'}

FUGA1.txt
FUGA2.txt
FUGA3.txt

ファイル名にカッコが含まれる場合、「\」でエスケープ。

HOGE1(12345).txt
HOGE2(23456).txt
HOGE3(34567).txt
> ls | Rename-Item -NewName { $_.Name -replace '\(.*\)',''}

HOGE1.txt
HOGE2.txt
HOGE3.txt
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