http://powershell.org/wp/forums/topic/need-help-with-file-deletion-script/#post-29275

powershellorg-forum-post-29275-reply1.ps1

$Targetfolder ="C:\temp\logs" 
$Extension = "*.log" 
$logfile = New-Item -Path 'C:\TEMP' -ItemType "file" -Name deleted.log
$files  = Get-ChildItem $Targetfolder -Include $Extension -Recurse | where {$_.LastWriteTime -lt (get-date).Adddays(-180)}

foreach ($File in $Files)
{
    if ($File -ne $Null)
    {
        write-host "Deleting File $File" -BackgroundColor DarkGreen
        Remove-item $File.Fullname -Force
        
        # Remove-Item does not return the $File object back to the pipeline.
        # You need to include the Out-File within the foreach loop where you have access to the $File object.
        $File.FullName | Out-File -FilePath $logfile -Append
    }
    else {
        write-host "No more files to delete" -ForegroundColor DarkRed
    }
}