on $*:TEXT:/^[`!@.](leave feedback|leave comments|add comments|add feedback)/Si:#thepc.feedback:{
  if ($nick !isreg #thepc) && ($nick ison #thepc) {
    if (!$3-) {
      if ($read(feedback.txt, w,$($+($nick,_,$address($nick,2))))) {
        notice $nick You have already left a comment.
      }
      else {
        notice $nick Please leave some comments, if you leave abuse expect a 4blacklist from #thepc channels
      }
    }
    if ($3-) {
      if ($read(feedback.txt, w,$($+($nick,_,$address($nick,2))))) {
        notice $nick You have already left a comment.
      }
      else {
        write feedback.txt $nick $+ _ $+ $address($nick,2) $+ _ $+ $3-
        notice $nick Feedback added
      }
    }
  }
}