private/Add-Path.ps1
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Function Add-Path { <# .SYNOPSIS Add a directory to PATH environment variable. .PARAMETER PathItem The directory to add to PATH. #> [OutputType()] param( [Parameter(Mandatory = $true, Position=0, HelpMessage='Path to Add')] [ValidateNotNull()] [ValidateLength(1, [int]::MaxValue)] [string] $PathItem ) begin { } process { $currentUserPath = [System.Environment]::GetEnvironmentVariable("PATH", [System.EnvironmentVariableTarget]::User) $machinePath = [System.Environment]::GetEnvironmentVariable("PATH", [System.EnvironmentVariableTarget]::Machine) $currentPath = $currentUserPath + ";" + $machinePath if (-not($currentPath.Split(';').Contains(($PathItem + ";")))) { $newUserPath = $PathItem + ";" + $currentUserPath [System.Environment]::SetEnvironmentVariable("PATH", $newUserPath, [System.EnvironmentVariableTarget]::User) $machinePath = [System.Environment]::GetEnvironmentVariable("PATH", [System.EnvironmentVariableTarget]::Machine) $env:PATH = $newUserPath + ";" + $machinePath } } end { } } |