Remove Empty Directories

Function Remove-IfEmpty {
	[CmdletBinding(SupportsShouldProcess)]
	Param(
		[Parameter(ValueFromPipeline)] $dir
	)
	process {
		if (
			(Test-Path $dir.fullname -PathType container) -and 
			((ls $dir.fullname -rec -file | measure | select -expand count) -eq 0)
		) {
			rm $_.fullname
		}
	}
}

ls -rec -dir | Remove-IfEmpty -WhatIf
ls -rec -dir | Remove-IfEmpty -Confirm
ls -dir | select -first 1 | Remove-IfEmpty

Function Remove-IfEmpty {[CmdletBinding(SupportsShouldProcess)] Param([Parameter(ValueFromPipeline)] $dir);  process {if ((Test-Path $dir.fullname -PathType container) -and ((ls $dir.fullname -rec -file | measure | select -expand count) -eq 0)) {rm $_.fullname}}}