Powershell – Environment Variables

Powershellで環境変数を操作する方法

1. すべての環境変数を表示
; html-script: false ] PS C:\> Get-ChildItem env: Name Value ---- ----- ALLUSERSPROFILE C:\ProgramData APPDATA C:\Users\matsuoka\AppData\Roaming (snip)

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; html-script: false ] PS C:\> Get-ChildItem env:   Name                           Value ----                           ----- ALLUSERSPROFILE                C:\ProgramData APPDATA                        C:\Users\matsuoka\AppData\Roaming (snip)

2. 環境変数を指定して表示
; html-script: false ] PS C:\> gci env:username Name Value ---- ----- USERNAME matsuoka PS C:\> gc env:username matsuoka PS C:\> $env:computername pc01

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; html-script: false ] PS C:\> gci env:username   Name                           Value ----                           ----- USERNAME                       matsuoka   PS C:\> gc env:username matsuoka   PS C:\> $env:computername pc01

3. 変数に代入
; html-script: false ] PS C:\> $user = $env:username PS C:\> $user matsuoka

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; html-script: false ] PS C:\> $user = $env:username PS C:\> $user matsuoka

4. 環境変数を設定
; html-script: false ] PS C:\> $env:username = "tanaka" PS C:\> gc env:username tanaka

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; html-script: false ] PS C:\> $env:username = "tanaka" PS C:\> gc env:username tanaka

参考サイト
Environment Variables
http://ss64.com/ps/syntax-env.html