Something

on *:TEXT:!Tb *:#: {
  if ($nick isop $chan || $nick ishop $chan) {
    if (!$4) || ($2 !isnum) {
      notice $nick You must supply in this format: !tb <minutes> <nick> <reason>
    }
    ban -ku $+ $calc( $2 * 60 ) $chan $3 2 Timebanned! Minutes: $2 Reason: $4-
  }
}
}