# These are expected errors, because the CGI parameters are blank on the command line.
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in concatenation (.) or string at /Library/WebServer/Documents/Q4D/upload.cgi line 24.
[Wed Feb 27 15:33:26 2008] upload.cgi: source:  at /Library/WebServer/Documents/Q4D/upload.cgi line 24
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in concatenation (.) or string at /Library/WebServer/Documents/Q4D/upload.cgi line 24.
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in hash element at /Library/WebServer/Documents/Q4D/upload.cgi line 24.
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in concatenation (.) or string at /Library/WebServer/Documents/Q4D/upload.cgi line 24.
[Wed Feb 27 15:33:26 2008] upload.cgi: :  at /Library/WebServer/Documents/Q4D/upload.cgi line 24
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in concatenation (.) or string at /Library/WebServer/Documents/Q4D/upload.cgi line 27.
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in <HANDLE> at /Library/WebServer/Documents/Q4D/upload.cgi line 28.
[Wed Feb 27 15:33:26 2008] upload.cgi: readline() on unopened filehandle at /Library/WebServer/Documents/Q4D/upload.cgi line 28.
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in concatenation (.) or string at /Library/WebServer/Documents/Q4D/upload.cgi line 33.
[Wed Feb 27 15:33:26 2008] upload.cgi: Use of uninitialized value in <HANDLE> at /Library/WebServer/Documents/Q4D/upload.cgi line 34.
[Wed Feb 27 15:33:26 2008] upload.cgi: readline() on unopened filehandle at /Library/WebServer/Documents/Q4D/upload.cgi line 34.
Content-Type: text/html; charset=ISO-8859-1

<html><head><title>Thanks!</title></head><body><p>Thanks for uploading</p><hr/><a href="index.html">Go back</a>.</body></html>

#!/opt/local/bin/perl
use strict;
use diagnostics;
use warnings;
use CGI;
use CGI::Carp;
use YAML;

my @data;
eval {
    @data = Load('data.dat');
}; 
@data = [] if $@;
my $upload_dir = ".";
my $cgi = new CGI;
my %data;
$data{'filename'}= $cgi->param('filename');
$data{'image'} = $cgi->param('img_filename');
$data{'source'} = $cgi->param('source');
$data{'url'} = $cgi->param('url');
$data{'date'} = localtime;
$data{'author'} = $cgi->param('author');
$data{'description'} = $cgi->param('descr');
carp "$_: $data{$_}" foreach (each %data);
push @data, %data;
my $fh = $cgi->upload('filename');
open (F, '>'.$data{'filename'});
while (<$fh>) {
    print F;
}
close F;
my $img_fh = $cgi->upload('img_filename');
open F, '>'.$data{'image'};
while (<$img_fh>) {
    print F;
}
open O,'>data.dat';
print O Dump(@data);
print $cgi->header,'<html><head><title>Thanks!</title></head><body><p>Thanks for uploading</p><hr/><a href="index.html">Go back</a>.</body></html>';