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PowerShellで環境変数を再読込する

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環境変数、主にPATHを追加、更新したときにOSを再起動せずにコマンドを使用したいときなんかに便利です

$env:Path = [System.Environment]::GetEnvironmentVariable("Path","Machine") + ";" + [System.Environment]::GetEnvironmentVariable("Path","User")

処理としてはシステム環境設定とユーザー環境変数を取得してくっつけて代入するだけですね

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