A few pointers: Having said all of that, here is the CGI script rewritten: 
use strict;
use warnings;
use CGI qw(header);

my $file = '/full/file/path/to/ip.log';
open LOG, '>>', $file or die "can't open ip log: $!\n";
print LOG "$ENV{REMOTE_ADDR}\n";

print header('image/png');

[download]
You do want to call the CGI script via it's URL, not it's file path. Good luck. :)

jeffa

L-LL-L--L-LL-L--L-LL-L--
-R--R-RR-R--R-RR-R--R-RR
B--B--B--B--B--B--B--B--
H---H---H---H---H---H---
(the triplet paradiddle with high-hat)

In reply to Re: Simple script not being executed when html page loads. by jeffa
in thread Simple script not being executed when html page loads. by ZiaTioN

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