selecting links and passing values (perl)

using perl
my main page has a table with the numbers 1-52 (each one representing a week in 1 year)

selecting a number will determine what week i want to view data for.
(each number in the table is a link to the next page.....all numbers have  the same link as the next page process' the data)

i also have another directory that has 52 file, each file contains data for that certain week.

how do get it to select a week from my main page and it will pass the filename relating to that week to the next page.

currently my second page reads a file that contains data for the current week. i want it to be passed the week selected from the previous page so that it will read the file with the data relating to that week.

i have repeated myself here a few times...hope you undterstand what i am looking for!
plennonAsked:
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kanduraConnect With a Mentor Commented:
Writing that value to a file doesn't sound like a great idea. What would happen if two people visit this page, and each of them selects a different week?

Anyway, the general way to pass values between scripts is by using parameters, either in a form, or in a url.
A url such as
/cgi-bin/script.pl?var_a=value_a
would pass the parameter var_a to the script, with value value_a.

Your script would obtain this parameter by using the CGI module:

#!/usr/bin/perl
use strict;
use warnings;
use CGI;
$|++;

my $cgi = new CGI;
my $var_a = $cgi->param('var_a');
### $var_a now contains the value_a
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plennonAuthor Commented:
update:

here's want i want to happen

i want to select a link and when i select it a certain number will be written to a file. That number can then be read by any number of pages that needs it.

i need to know how to write to file after a link has been selected and before the linked page loads up

hope this helps
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