on *:text:!signup:#: {
  if ($read(signups.txt,w,$nick *)) {
    .notice $nick You've already signed up.
  }
  else {
    write signups.txt $nick $address($nick,5)
    .notice $nick You have been added to the 15auto voice list!
  }
}

on *:JOIN:#: {
  if ($read(signups.txt,w,$nick *)) {
  .mode #pc-own +v $nick }
}