First I don't see use strict anywhere.

Second the error messages are quite descriptive.

Third what is your IQ? If you're not being stupid on purpose, I'm shocked you even learned to read and write English.

Fourth it is time to tell your boss that you need help. Others have mentioned good online resources and books. I'd suggest you check with your local community college to see if they have a perl class. There are also a number of places that have weekend perl seminars. Google is your friend perl seminar perl training