#Set the following to the days to keep value
#and the directory value
$daysToKeep = 34
$directory  = 'B:\Backups\myBackups\'

if (Test-Path $directory)
    {
	$olderThanDt = (Get-Date).AddDays(-$daysToKeep)
	$cntDel = 0
	$cntLocked = 0
	$strMsgFilesRemovedBase = "Total # Files Older Than ({0}) Days Successfully Deleted From Directory `"$directory`"`:" -f $daysToKeep
	$strLockedList = ""
	
	gci $directory | foreach {
        $curFullName = $_.Name
        $curLastWrite = $_.LastWriteTime
        
        if ((Test-Path $_.fullname -pathtype leaf) -and ($curLastWrite -lt $olderThanDt))
        {
        try 
         { [IO.File]::OpenWrite($_.FullName).close();
            if ($curLastWrite -lt $olderThanDt)
                {
                $cntDel += 1
                Remove-Item $_.fullname
                }
         }
        catch 
         {
            $cntLocked += 1
            if ($cntLocked -lt 11)
            {
                $strLockedList += "`nError: The Locked File `"$curFullName`" could not be deleted."}
            }
	     }
	}
	
    if ($cntLocked -gt 0)
    {
        $cntLockedAddl = $cntLocked - 10
		if ($cntLockedAddl -lt 0)
		{
			$cntLockedAddl = 0
		}
        $strLockedList += "`nNote: $cntLockedAddl additional locked files could not be deleted."
    }

	if ($cntDel -gt 0)
	    {write-output "$strMsgFilesRemovedBase $cntDel."}
	else
	    {write-output "$strMsgFilesRemovedBase None Found."}

    if ($cntLocked -gt 0)
    {
        throw "Error: A total of $cntLocked File(s) Could Not Be Deleted. See the following output: $strLockedList `n$strMsgFilesRemovedBase $cntDel."
    }

}
else
    {throw "Error: Specified directory could not be accessed or does not exist."}