ok, you re-formatted your text. Good start. You can also edit you previous posts in the same way.

But I guess you did not read the nodes I suggested. You show some kind of design, but not what you tried for implementation. What is you code and where is the problem you can not solve?

As cdarke pointed out you should check some documentaion, to get the filenames you coud use opendir readdir or File::Find or if you know the files already just loop over the files, open them and check the content, or ... so much ways ... again: which way did your choose?