@Bielie:

on *:exit:savehsh
on *:start:loadhsh
on me:*:quit:savehsh
on *:connect:loadhsh
on *:disconnect:savehsh
alias -l savehsh { hsave join $qt($scriptdirjoin.hsh) }
alias -l loadhsh {
  if (!$hget(join)) { hmake join 100 }
  if ($isfile($qt($scriptdirjoin.hsh))) { .hload join $qt($scriptdirjoin.hsh) }
}
on !*:join:#: {
  if !$hfind(flood,$nick) && !$hfind(join,$wildsite) {
    hinc -mu9 flood $nick | notice $nick Hey $nick! Welcome in # . Enjoy your stay!
    .timer 1 2 notice $nick Dont want this message when you join a channel? Type: !joinmsg off
  }
}
on $*:text:/^!joinmsg (\w+)/iS:#: {
  if $regml(1) == off {
    goto $iif(!$hfind(join,$wildsite),on,alreadyon)
    :on | hadd -m join $wildsite | notice $nick Your join message has been turned off!
    .timer 1 2 notice $nick Want to turn it back on? Type !joinmsg on | halt
  }
  if $regml(1) == on { 
    goto $iif($hfind(join,$wildsite),off,alreadyoff)
    :off | hdel join $wildsite | notice $nick Your join message has been turned on. | halt
  }
  :alreadyon | notice $nick your join message is already turned off! | halt
  :alreadyoff | notice $nick your join message is already turned on! | halt
}