Flattens start menu to remove all folders

remove_startmenu_folders.ps1

$usr_sm_folder = "$($env:AppData)\Microsoft\Windows\Start Menu\Programs"
$sys_sm_folder = "$($env:ProgramData)\Microsoft\Windows\Start Menu\Programs"

$folder_exclusions = @(
    'Administrative Tools',
    'Startup',
    'Steam'
)

function Remove-ShortcutFolder ($folder, $exclusions) {
    Write-Output "Flattening folder: '$folder'"

    # recursivly flattens and moves the content of all subdirectories
    foreach ($d in Get-ChildItem $folder -Directory -Exclude $exclusions) {
        Remove-ShortcutFolder $d

        Move-Item $d\*.* $folder -Force

        if ((Get-ChildItem $d -Directory).Count -lt 1) {
            Write-Output "Removing empty folder: '$d'"
            Remove-Item $d -Force
        }
    }
}

Remove-ShortcutFolder $usr_sm_folder $folder_exclusions
Remove-ShortcutFolder $sys_sm_folder $folder_exclusions