I need to figure out a way to complete this coding and I am very lost. Please help. Here are the parameters.

As usual, the day and a life of a bioinformatician calls for making the large task small. We have data from the Unigene database from six different mammals, which the company you are working for needs data about tissue expression for a given gene "on Demand". Of course one could open the directory and look for the gene file, and then go through to view the tissue expression, but this would become tedious very quickly.

You are to write a program with command line flags. If you need to see how to use command line flags see the solutions for assignment #2 and assignment #3 The data for these six organisms can can be found here: (DO NOT COPY THESE FILES!, DO NOT COPY THESE FILES). So if you are reading this do not copy these files, b/c they take up too much room on the server.

Hmm .. this looks a lot like a homework assignment.

How far have you got on this? We'll be glad to help you if you're stuck on an issue with Perl syntax, but we can't and won't do your homework for you.