Because you get the file object at the end of the pipeline you could do whatever you want. Perhaps you want to delete the file. The del command is an alias for Remove-Item and one you are probably ...

Although native support for Secure File Transfer Protocol (SFTP) is not in PowerShell, by using a free module, you can retrieve, delete and add new files.

Is there any way to use Powershell to delete all items in a specific folder in Exchange 2010 SP3? The only option seems to be Search-Mailbox but that will not take folder input.