src/Get-EnvVarPathItem.ps1
|
#!/usr/bin/env pwsh $ErrorActionPreference = "Stop" Set-StrictMode -Version Latest function Get-EnvVarPathItem() { [CmdletBinding(DefaultParameterSetName = "ProcessScopeForValue")] param( [Parameter(Mandatory=$true, ParameterSetName="MachineScopeForValue", Position=0)] [switch] $Machine, [Parameter(Mandatory=$true, ParameterSetName="ProcessScopeForValue", Position=0)] [switch] $Process, [Parameter(Mandatory=$true, ParameterSetName="UserScopeForValue", Position=0)] [switch] $User, [Parameter(Mandatory=$true, ParameterSetName="ScopeValueForValue", Position=0)] [System.EnvironmentVariableTarget] $Scope, [Parameter(Mandatory=$true, Position=1)] [ValidateLength(1, [int]::MaxValue)] [string] $Name ) Begin { if ($Machine -and $Machine.IsPresent) { $Scope = [System.EnvironmentVariableTarget]::Machine } elseif ($Process -and $Process.IsPresent) { $Scope = [System.EnvironmentVariableTarget]::Process } elseif ($User -and $User.IsPresent) { $Scope = [System.EnvironmentVariableTarget]::User } if (-not [System.EnvironmentVariableTarget]::IsDefined($Scope)) { throw "Unrecognized EnvironmentVariableTarget '$Scope'" } } Process { [string] $extantPath = Get-EnvVar -Scope $Scope -Name $Name -Value [string[]] $pathItems = $extantPath -split [System.IO.Path]::PathSeparator foreach ($pathItem in $pathItems) { Write-Output $pathItem } } } |