Here's the entire sample code:

#!/usr/bin/perl -w
use strict;

use CGI qw(:html3);
open ('QUERY', '<query.txt') || die "Cannot open: $!";
my $q = new CGI ('QUERY');
close QUERY;
BEGIN {
    use CGI::Carp qw(carpout fatalsToBrowser);
    open (LOG, ">errorlog.txt") or
        die ("Unable to open errorlog.txt: $!\n");
    carpout(\*LOG);
}
open (QUERY, '>query.txt') || die "Cannot open: $!";
$q->save('QUERY');
print $q->header();
print $q->start_html();
   print $q->startform("post",'eventform.cgi');
   print $q->textfield(-name=>'field_name',
                        -size=>50,
                        -maxlength=>80);
   print $q->submit(-name=>'button_name',
                -value=>'value');
   print $q->endform;
print $q->end_html();
close QUERY;
[download]

$PM = "Perl Monk's";
$MCF = "Most Clueless Friar";
$nysus = $PM . $MCF;

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