Someone

    # use the default look
    $format = "{sb \%_$total\%_ nicks \%c(\%n";
    $format .= '*'.$ircops.' ' if (defined $ircops);
    $format .= '@'.$ops.' ' if (defined $ops);
    $format .= '%%'.$halfops.' ' if (defined $halfops);
    $format .= "/+$voices " if (defined $voices);
    $format .= "/$normal " if (defined $normal);
    $format =~ s/ $//;
    $format .= "\%c)}";