#!/usr/local/perl-5.6.0/bin/perl -w

use strict;

use PerlMonks;
use PerlMonks::Users;

my $n=PerlMonks::Users->new;
while(1) {
        my %u=$n->users;
        if (exists($u{ZZamboni})) {
                system(q(echo Get to work | /usr/bin/mailx -s "Shouldn't you be working on your thesis?" zamboni));
                if ($ENV{DISPLAY}) {
                        system(q(wmessage -t "What are you doing?" --center "Get back to work!"));
                }
        }
        sleep 300;
}