I need to automate a task to check for existance of files in a folder on the server and move it to a different location for a user-defined days, check intervals, etc.

Many files are being FTPed to a server from many locations and we need to move the files to different location on the network/server for further processing. Any idea about "best way to do this" is appreciated.

1. Is there something I could do to "redirect" incoming ftp at the point of entry?
2. Any 3rd party software?
3. I think some form of "system agent" rather than a full-fledge VFP/VB exe would be idea since it will be run on the server but wouldn't this mean C++?
4. I don't know too much about WHS but would some form of scripting be appropriate/enough?