#!C:/Perl/bin/perl -wT
use CGI qw(:standard);
use CGI::Carp qw(fatalsToBrowser warningsToBrowser);
use strict;
use Fcntl qw(:flock :seek);

print header;
print start_html;

my $outfile="poll.txt";
open(POLL,"$outfile") or dienice("Can't open $outfile:$!");
#set a shared lock on the file
flock(POLL,LOCK_SH);
#seek the beginning of the file
seek(POLL,0,SEEK_SET);

my(%count,$total_count);
$total_count=0;

foreach my $i ("mutd","che","ars","liv","none"){
	$count{$i}=0;
}

while(my $rec=<POLL>){
	chomp($rec);
	$total_count = $total_count+1;
	$count{$rec} = $count{$rec}+1;
}

print <<END;
<b>Which is your favorite club?</b><br>
<table border=0 width=50%>
<tr>
 <td>Manchester United<td>
 <td>$count{mutd} votes<td>
<tr>
 <td>Arsenal<td>
 <td>$count{ars} votes<td>
<tr>
 <td>Chelsea<td>
 <td>$count{che} votes<td>
<tr>
 <td>Liverpool<td>
 <td>$count{liv} votes<td>
<tr>
 <td>Others<td>
 <td>$count{none} votes<td>
</table>
END


print end_html;

sub dienice {
    my($msg) = @_;
    print h2("Error");
    print $msg;
    print end_html;
    exit;
}