Remove directories on Windows that have really long file paths in them

Remove-DirectoryWithPathTooLongFileNames.ps1

function Remove-DirectoryWithPathTooLongFileNames(){
    [CmdletBinding()]
    param(
    [Parameter(Mandatory = $true, Position=1)]
    [ValidateScript({ Test-Path $_ })]
        [String]$folderPath
    )

    $dirInfo = New-Object -TypeName System.IO.DirectoryInfo -ArgumentList $folderPath
    $parentFolder = ([System.IO.Directory]::GetParent($dirInfo.FullName)).FullName

    $tempFolder = Join-Path $parentFolder 'temppurger'
    if(!(Test-Path $tempFolder)){ New-Item -Path $tempFolder -ItemType Directory > $null }

    robocopy.exe $tempFolder $folderPath /purge > $null

    Remove-Item $tempFolder
    Remove-Item $folderPath        

}