PowerShell script to delete files from a directory that are more than a given number of days old.

This PowerShell

• deletes files created more than 3 days ago.
• logs the files it deletes.

	$d = "C:\db\backup"
	$today = get-date -uformat "%Y_%m_%d"
	$log = "C:\db\backup\" + "Purge_" + $today + ".log"
	$a = Get-ChildItem $d -recurse
	foreach($x in $a)
	{
	$y = ((Get-Date) - $x.CreationTime).Days
	if ($y -gt 3 -and $x.PsISContainer -ne $True)
	{
	$deleted = "Deleting - " + $x.fullname + " - Last Write Time - " + $x.LastWriteTime
	add-content $log -value $deleted
	$x.Delete()
	}
	}

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