###FUNCTION TO DELETE OLD FILESfunction deleteOldFiles([int]$numberOfDays = $(throw "Specify the number of days")){$Now = Get-Date$TargetFolder = “C:\Program Files\Microsoft SQL Server\MSSQL.1\MSSQL\Backup”$LastWrite = $Now.AddDays(-$numberOfDays)$Files = get-childitem $TargetFolder -include *.bak, *.x86 -recurse | Where {$_.LastWriteTime -le “$LastWrite”} foreach ($File in $Files){ write-host “Deleting File $File” -foregroundcolor “Red”; Remove-Item $File | out-null} }deleteOldFiles(3)