#!/usr/bin/perl
use strict;
use warnings;
use CGI qw(:standard);
my $cgi = CGI->new();
print $cgi->header();
print "Hello World!";

[Thu Sep 27 14:07:25 2007] [error] [client 81.86.45.98] Premature end of script headers: outputfile.pl 
[Thu Sep 27 14:07:21 2007] [error] [client 81.86.45.98] script not found or unable to stat: /home/peaksurveys/devel.canvas-photos.co.uk/user/htdocs/cgi-bin/output_file.pl 
[Thu Sep 27 14:07:17 2007] [error] [client 81.86.45.98] Premature end of script headers: hello_world.cgi 
[Thu Sep 27 14:06:01 2007] [error] [client 81.86.45.98] Premature end of script headers: hello_world.cgi 
[Thu Sep 27 14:05:37 2007] [error] [client 81.86.45.98] Premature end of script headers: hello_world.cgi 
[Thu Sep 27 14:03:26 2007] [error] [client 81.86.45.98] Premature end of script headers: hello_world.cgi 
[Thu Sep 27 14:01:35 2007] [error] [client 81.86.45.98] Premature end of script headers: hello_world.cgi 
[Thu Sep 27 13:55:50 2007] [error] [client 81.86.45.98] Premature end of script