foreach-loop-container

As noted by @lytledw, Move-Item -Force works great for renaming and overwriting files. To replace the index. part of the name, you can use the -replace regex operator: Get-ChildItem index.*.txt |ForEach-Object { $NewName = $_.Name -replace “^(index\.)(.*)”,’$2′ $Destination = Join-Path -Path $_.Directory.FullName -ChildPath $NewName Move-Item -Path $_.FullName -Destination $Destination -Force }