#!/usr/bin/perl
use strict;
use CGI qw(:standard);

my @logs = qw(/var/log/httpd/error_log /var/log/httpd/access_log /var/log/mysqld.log);
my $log = $logs[0];
$log = $logs[param('log')] if param('log') =~ /1|2/;

print header();
print start_html(-title=>$log);
print '<pre>';
open(LOG, $log)||warn "cannot open $log: $!\n";
print while(<LOG>);
print '</pre>';
print end_html();

##</code><code>##

map{$a=1-$_/10;map{$d=$a;$e=$b=$_/20-2;map{($d,$e)=(2*$d*$e+$a,$e**2
-$d**2+$b);$c=$d**2+$e**2>4?$d=8:_}1..50;print$c}0..59;print$/}0..20