#!/usr/bin/env perl
do "common.pl";

%user_agent;
%proxy;

open(FILE,$file);
while(<FILE>) {
    /(\S*)\ \S*\ \S*\ \S*\ \S*\ \S*\ \S*\ \S*\ \S* \S*\ ".*"\ (.*)$/;
    $host = $1;
    $agent = $2;
    if (  exists $user_agent{$host} ) {
        if ( $user_agent{$host} ne $agent ) {
            $proxy{$host} = "YES";
        }
    }
    else {
        $user_agent{$host} = $agent;
    }

}
close(FILE);

$total = scalar(keys %user_agent);
$proxies = scalar(keys %proxy);
print "proxy/others hosts: $proxies/$total ",
      percent($proxies,$total), "\n";
exit(0);
