# 设置 Scope 级别的 Path 环境$env_var变量为空,从而清除该环境变量(.Net检测到空字符串就移除掉该变量,而不仅仅设置为空字符串) [Environment]::SetEnvironmentVariable($env_var, '', $Scope) Remove-Item env:$env_var } else { Write-Host "No [$env
Remove-Item -Path Env:\Foo -Verbose copy Copy-Item -Path Env:\Foo -Destination Env:\Foo2 -PassThru 使用Get-ChildItem cmdlet 查看环境变量的完整列表 Get-ChildItem Env: 使用System.Environment 方法 show [Environment]::GetEnvironmentVariable('Foo') new [Environment]::SetEnvironmentVariable('Foo','...
如果您希望永久删除环境变量,您需要在系统环境变量中进行更改。为此,您需要以管理员身份运行 PowerShell,并使用Remove-Item命令删除HKLM:\System\CurrentControlSet\Control\Session Manager\Environment注册表键中的相应值。但是,请谨慎操作注册表,并确保备份关键数据以防止意外删除或更改。
可以通过为变量的值指定空字符串,使用SetEnvironmentVariable()方法删除环境变量。 例如,若要删除环境变量,请执行以下操作Foo: PowerShell复制 [Environment]::SetEnvironmentVariable('Foo','') [Environment]::GetEnvironmentVariable('Foo') Output复制 有关System.Environment类的方法的详细信息,请参阅环境方法。 在...
Remove-Variable [-Name] <String[]> [-Include <String[]>] [-Exclude <String[]>] [-Force] [-Scope <String>] [-WhatIf] [-Confirm] [<CommonParameters>]DescriptionRemove-Variable Cmdlet 會從定義變數的範圍中刪除變數及其值,例如目前的會話。 您無法使用此 Cmdlet 來刪除設定為常數的變數,或是系統...
We've learned we can create system variables on a remote machine with the setx.exe command:PSH> setx -m remote.machine My_System_Variable VariableDataHowever, setx doesn't give us a way to remove the variable.PSH> (new-object -com wscript.shell).environment("system").remove("My_System_...
Remove-Item Env:\TestVariable Alternatively you can use the SetEnvironmentVariable method, assigning the environment variable a null value: [Environment]::SetEnvironmentVariable("TestVariable",$null,"User") Again, if you use SetEnvironmentVariable the deleted variable might still show up when you ca...
The Remove-Variable cmdlet deletes a variable and its value from the scope in which it is defined, such as the current session. You cannot use this cmdlet to delete variables that are set as constants or those that are owned by the system.
if(ShouldProcess("Remove Isolated Storage")) { WriteVerbose("Deleting Isolated Storage: " + Name); isoStore = this.GetMyStore(); isoStore.DeleteFile(Name); } Notice that I'm using ShouldProcess again. Since I'm making a change to the system, I need to notify the user of what I'm...
Environment :存放環境變數的 PS 磁碟機。 Function :存放 Windows PowerShell 函式的 PS 磁碟機 Registry :存放系統登錄資料庫的 PS 磁碟機,共有 HKCU 和 HKLM 兩部。瀏覽 PS 磁碟機內容 Variable:存放 Windows PowerShell 變數的 PS 磁碟機 Get-PSDrive 也可以顯示 PS 磁碟機的細節,下列第一行命令可以列...