what all have you tried by yourself so far?
did you try to write a script to rename the files ?
the second stage would be to put the renamed files on the new system. For that you can use rcp, rsh, ftp, and there are many more options. first you have to decide which one you want to use. If you dont know either of them, try searching this forum for "ftp script" to start with. you will get a fair idea. After that if you still have questions, let us know.