I have some Perl code, that has been running for a few years, and now, suddenly it will no longer function properly. I have put it thru the Perl Debugger and everything works fine - code wise. The issue is that it will no longer disply on the page. I have looked up __END__ and found that most every page says it is a "end of file" type of command, and all remaining lines will be skipped. I am not sure if I believe that or not, as this worked fine for years and nothing has changed on the code end. Here is the code: 
#!perl

use strict;
use warnings;

use File::Copy;

print "Content-type: text/html\n\n";

my @servers = ();

for my $i (1..9) {
    push @servers, "serverpd0${i}";
}
push @servers, qw (serverpd15);

for my $server (@servers) {
    my $audit_file = "\\\\$server\\c\$\\program files\\maintenance\\au
+dit.txt";
    if (-e $audit_file) {
        copy($audit_file, "tmp\\$server.log") or die $!;
    }
}
print "<pre>";
print system("cat.exe tmp\\*.log | c:\\wbin\\sort.exe -k 3 -r");
print "</pre>";
exit;

__END__
print qq {
    <html>
    <body style="margin:0;padding:1px;">
};
print "<table width='100%' cellpadding='1' border='1' style='border:1p
+x black solid;border-collapse:collapse;font-family:tahoma;font-size:1
+1px;'>";
print qq{
    <tr style="background:black;color:white;font-weight:900;">
        <td>Timestamp</td>
        <td>Username</td>
        <td>Where From</td>
        <td>Record Type</td>
        <td>Record Data</td>
        <td>Field Name</td>
        <td>Action</td>
        <td colspan="13">Data</td>
    </tr>
};
for my $timestamp (reverse sort keys %logs) {
    for my $entry (@{$logs{$timestamp}}) {
        print "<tr><td>";
        my @temp = split("\t", $entry);
        splice @temp, 1, 3;
        unshift @temp, $timestamp;
        print join("</td><td>", @temp);
        print "</td></tr>";
    }
}
print qq{
    </table>
    </body>
    </html>
};

[download]
Can someone please tell me what the __END__ really does? if it is ignoring the remaining lines, why did it work for 2 years like this? What would be a better way to have this displayed on a IE page? Any assistance would be great!

In reply to Does __END__ really mean ignore rest of lines? by jaacmmason

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