PowerShell: Purge, Destroy, or Empty a Directory!

# WARNING: THIS IS A VERY DESTRUCTIVE FUNCTION. IF EXECUTED AT THE WRONG DIRECTORY WHERE IMPORTANT FILES RESIDE, THE SYSTEM WILL BE DESTROYED!!! CAVEAT EMPTOR! BE CAREFUL! THINK BEFORE ACTING!

function purgeDirectory($path='c:\temp'){
	
	function confirmation($content,$testValue="I confirm",$maxAttempts=3){
			$confirmed=$false;
			$attempts=0;        
			$content|write-host
			write-host "Please review this content for accuracy.`r`n"
			while ($attempts -le $maxAttempts){
				if($attempts++ -ge $maxAttempts){
					write-host "A maximum number of attempts have reached. No confirmations received!`r`n"
					break;
					}
				$userInput = Read-Host -Prompt "Please type in this value => $testValue <= to confirm. Input CANCEL to skip this item.";
				if ($userInput.ToLower() -eq $testValue.ToLower()){
					$confirmed=$true;
					write-host "Confirmed!`r`n";
					break;                
				}elseif($userInput -like 'cancel'){
					write-host 'Cancel command received.'
					$confirmed=$false
					break
				}else{
					cls;
					$content|write-host
					write-host "Attempt number $attempts of $maxAttempts`: $userInput does not match $testValue. Try again or Input CANCEL to skip this item`r`n"
					}
				}
			return $confirmed;
		}
	write-host "Taking ownership and granting Administrators full access to $path..."
	$null=takeown /F $path /A /R /D Y
	$null=icacls $path /Grant Administrators:F /inheritance:e /T
	$emptyDirectory="C:\emptyDirectory"
	md -Force $emptyDirectory
	Remove-Item "$emptyDirectory`\*" -force -recurse -ErrorAction Continue
	$confirmed=confirmation "This will delete all files and folders from $path"
	if ($confirmed){
		write-host "Now purging ALL files and folders inside $path..." -foregroundcolor yellow
		$null=robocopy $emptyDirectory $path /mir /R:0 /W:0 /NP
		# rmdir -Force $path
	}else{
		write-host "Purging has been cancelled for $path"
		}
}

purgeDirectory 'c:\temp'