```
$folderpath = 'E:\BOOKS\Python\python\python'
$items = Get-ChildItem -Recurse $folderpathc *_pdf
foreach( $i in $items) { Rename-Item E:\BOOKS\Python\python\python\$i E:\BOOKS\Python\python\python\$i.pdf }

```

Hi, I tried to rename the file under a folder using above command but not able to do and got below error.

```
Rename-Item : Cannot rename because item at 'E:\BOOKS\Python\python\python\book_pdf' does not exist.
At line:1 char:37
+ foreach( $i in $items) { Rename-Item <<<<  E:\BOOKS\Python\python\python\$i E:\BOOKS\Python\python\python\$i.pdf }
    + CategoryInfo          : InvalidOperation: (:) [Rename-Item], PSInvalidOperationException
    + FullyQualifiedErrorId : InvalidOperation,Microsoft.PowerShell.Commands.RenameItemCommand

```