{
        my $p=0;
        $|=1;
        sub tick {
                print substr(qq{|/-\\|/-\\}, $p++, 1), "\b";
                $p=0 if ($p > 8);
        }
}

##</code><code>##

{
        my $bar=qq{0%..........50%..........100%};
        $|=1;
        sub bar {
                local $_=$bar;

                substr($_, $_[0]/100*length($_), 1)="|";
                print "$_\r";
        }
}