1. I need help here,
   s/need/request/
2. I can't use NET::SSH::Perl,
   Why not?

Re 2: Generally (nearly universally) there's a way to use an appropriate module, even if you have restricted rights on the target machine...and if your issue is that you don't have rights to the directory where the ftp'ed file is stored, then your question is one for the sysadmin.

And, even more generally, you'll get better help here if you provide more specific information about your problem, and show the code and failure modes of that code (or how the output failed to meet your expectations