this is a starter script for you, but you really should become one with the CGI module documentation (put CGI in the search field up there to the left) :-)

perldoc CGI <enter>

#!/usr/bin/perl
$|++;
use strict;
use CGI qw/:standard/;
my $field1 = param('field1');
my $field2 = param('field2');
# do something ...
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