#!D:/Perl/bin/Perl.exe -w

use strict;
use CGI ":standard"; 
$| = 1;

my $MYFILE = "D:\\Apache\\logs\\mgmtwrkstn\\lucky.txt";

if (param("monitor")) {
        &monitor();
} else {
        if (fork) { # only need to fork for IE
                print redirect(-uri => url() . 
                               "?monitor=yes",
                               -nph=>1);
        } else {
                &do_stuff();
        }
sub monitor
{
        my $html = &draw_page();

        if (defined $html) {
                print header(-refresh=>1, -nph=>1), $html;
        } else {
                print header(-nph=>1), &goodbye();
        }
}
sub goodbye
{
        return start_html(-title=>"Goodbye!") .  
                          h1("Goodbye!") .
                          end_html();
}
sub get_number
{
        open NUMBER, "<$MYFILE" or return undef;
        my $number = @glo;
        close NUMBER;

        return $number;
}
sub draw_page
{
        my $number = &get_number();
        return (defined $number) ? 
               start_html(-title=>"Your Lucky
               Number") .  
               p("Your lucky number is $number.") .  
               end_html() : undef;
}

sub do_stuff
{
        for my $i (1 .. 10)
        {
                open NUMBER2, ">$MYFILE";
                print NUMBER2 $i;
                close NUMBER2;
                sleep 1;
        }

        unlink $MYFILE;
}