With this script, you can write a message to your bot and it saved the message.

The commands are:
For the guests: !write MESSAGE, !read
for the Admin: !gb on, !gb off

;Guestbook script - Made by toenie

on *:LOAD: {
  echo -a 7::12 Thanks for use this guestbook script 7::
  %admin = $$?="What is your OWN nickname?"
  %gbook = off
}

on *:TEXT:!gb*:#: {
  if ($nick == %admin) {
    if ($2 == on) { %gbook = on | msg $chan 7::12The guestbook is on7:: | halt }
    if ($2 == off) { %gbook = off | msg $chan 7::12The guestbook is turned off7:: | halt }
    else { notice $nick 7::2 $2 12Error: Wrong command7:: }
  }
}

on *:TEXT:!write*:#: {
  if (%gbook == on) { inc %gb.count | write guestbook.txt Nummer:: %gb.count $+ :: Writed by:: $nick :: $2- | notice $nick 7::12Thanks for your reply 7:: }
  else { msg $chan 7::12The guestbook is off7:: }
}

on *:TEXT:!read:#: {
  if (%gbook == on) { 
  notice $nick You can read the guestbook now:
    %reply = $calc($lines(guestbook.txt)-6)
    :replies
    if (%reply == $lines(guestbook.txt)) { halt } 
    else {
      inc %reply
      notice $nick $read(guestbook.txt,%reply)
      goto replies
    }
  }
  if (%gbook == off) { msg $chan 7::12The guestbook is off7:: }
}

;I hope you like this script ;-)