Public/Set-EnvironmentVariable.ps1
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function Set-EnvironmentVariable { <# .SYNOPSIS Set environment variable .DESCRIPTION Set the value of the environment variable .PARAMETER Name The name parameter corresponds to the name of the environment variable. .PARAMETER Value The value parameter corresponds to the value to assign to the environment variable. .PARAMETER Scope The optional scope parameter corresponds to the scope in which the environment variable is defined. .NOTES File name: Set-EnvironmentVariable.ps1 Author: Florian Carrier Creation date: 22/01/2019 Last modified: 13/12/2019 #> [CmdletBinding ( SupportsShouldProcess = $true )] 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) } } |