Public/Set-EnvironmentVariable.ps1
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function Set-EnvironmentVariable { [CmdletBinding()] Param ( [Parameter ( Position = 1, Mandatory = $true, HelpMessage = "Name of the environment variable" )] [ValidateNotNullOrEmpty()] [Alias ("Variable")] [String] $Name, [Parameter ( Position = 2, Mandatory = $true, HelpMessage = "Value of the environment variable" )] [ValidateNotNullOrEmpty()] [String] $Value, [Parameter ( Position = 3, Mandatory = $false, HelpMessage = "Scope of the environment variable" )] [ValidateSet ("Machine", "Process", "User")] [String] $Scope = "Machine" ) Begin { # Get global preference variables Get-CallerPreference -Cmdlet $PSCmdlet -SessionState $ExecutionContext.SessionState } Process { # Check if variable is defined if (Test-EnvironmentVariable -Variable $Name -Scope $Scope) { Write-Log -Type "WARN" -Message "Overwriting existing $Name environment variable in $Scope scope" } Write-Log -Type "DEBUG" -Message "$Scope`t$Name=$Value" [Environment]::SetEnvironmentVariable($Name, $Value, $Scope) } } |