Public/Remove-EnvironmentVariable.ps1
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using namespace System function Remove-EnvironmentVariable { [OutputType([void])] [CmdletBinding(SupportsShouldProcess, ConfirmImpact = "High")] param( [Parameter(Position = 0, Mandatory)] [string] $Key, [Parameter(Position = 1)] [string] $Value, [EnvironmentVariableTarget] $Scope = [EnvironmentVariableTarget]::Process ) begin { $Token = [OperatingSystem]::IsWindows() ? ";" : ":" } process { $Title = "Remove `"${Value}`" from `"${Key}`"" $Description = "Are you sure that you want to remove `"${Value}`" from the environment variable `"${Key}`"?" $RemoveValue = $([Environment]::GetEnvironmentVariable($Key, $Scope) -Split $Token | Where-Object { $_ -ne $Value }) -Join $Token if (!$PSBoundParameters.ContainsKey("Value")) { $Title = "Remove all values in `"${Key}`"" $Description = "Are you sure that you want to remove the environment variable `"${Key}`"?" $RemoveValue = $null } if ($PSCmdlet.ShouldProcess($null, $Description, $Title)) { [Environment]::SetEnvironmentVariable($Key, $RemoveValue, $Scope) } } } |