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【PowerShell】特定ファイル内の特定行をコメントアウトする

Posted at

コマンド

$path = "C:\Windows\System32\drivers\etc\hosts"
$old = "(.*hoge`.test2.*)"
$new = "#`$1"
$file_contents = $(Get-Content $path) -replace $old , $new
$file_contents > $path

実行前

192.168.10.10 hoge.test1
192.168.10.10 hoge.test2
192.168.10.10 hoge.test3

実行後

192.168.10.10 hoge.test1
# 192.168.10.10 hoge.test2
192.168.10.10 hoge.test3

補足

  • powershellでのエスケープは、`(バッククォート)。
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