thitemple

function Add-Path() {
    [Cmdletbinding()]
    param([parameter(Mandatory=$True,ValueFromPipeline=$True,Position=0)][String[]]$AddedFolder)
    # Get the current search path from the environment keys in the registry.
    $OldPath=(Get-ItemProperty -Path 'Registry::HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Session Manager\Environment' -Name PATH).Path
    # See if a new folder has been supplied.
    if (!$AddedFolder) {
        Return 'No Folder Supplied. $ENV:PATH Unchanged'
    }
    # See if the new folder exists on the file system.