Private/Add-EnvPath.ps1
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function Add-EnvPath { <# .LINK https://gist.github.com/mkropat/c1226e0cc2ca941b23a9 #> [CmdletBinding()] param ( [Parameter(Mandatory=$true)] [string]$Path, [ValidateSet('Machine', 'User', 'Session')] [string]$Container = 'Session' ) process { Write-Verbose -Message "Container is set to: $Container" if ($Container -ne 'Session') { $containerMapping = @{ Machine = [EnvironmentVariableTarget]::Machine User = [EnvironmentVariableTarget]::User } $containerType = $containerMapping[$Container] $persistedPaths = [Environment]::GetEnvironmentVariable('Path', $containerType) -split ';' if ($persistedPaths -notcontains $Path) { $persistedPaths = $persistedPaths + $Path | Where-Object -FilterScript { $_ } [Environment]::SetEnvironmentVariable('Path', $persistedPaths -join ';', $containerType) Write-Verbose -Message "Adding $Path to environment path." } else { Write-Verbose -Message "$Path is already located in env:Path." } } $envPaths = $env:Path -split ';' if ($envPaths -notcontains $Path) { $envPaths = $envPaths + $Path | Where-Object -FilterScript { $_ } $env:Path = $envPaths -join ';' Write-Verbose -Message "Adding $Path to environment path." } else { Write-Verbose -Message "$Path is already located in env:Path." } } # Process } # Cmdlet |