powershell archive files on date

gistfile1.txt

#clean recursively all files older than 180 days in the given path

$filterDate = (Get-Date).AddDays(-180).Date

Get-ChildItem E:\DIR_PATH -Directory | ForEach-Object {

   Get-ChildItem $_.FullName -Recurse | Where {$_.lastwriteTime.Date -le $filterDate } |  Remove-Item  

 }