$FILES="C:\Temp\Test"$ARCHIVE="C:\Temp\Test\Archive"# 30 days as an example$TIMESPAN= (Get-Date).AddDays(-30)# first we delete all text files (example) in the $ARCHIVE folder that are older then 30 days:Get-ChildItem-Path ($ARCHIVE+"*.txt") | ForEach-Object{if($PSItem.LastWriteTime-lt$TIMESPAN) {Remove-Item $PSItem }}# now we move the files from the $FILES folder into the $ARCHIVE folder:Get-ChildItem-Path ($FILES+"*.txt") | Move-Item-Destination $ARCHIVE
