with this script u can make your twitch chat bot join By doing !Join

on *:TEXT:!join  *:#:{
  if ($nick == Channel_Name) {
   .join #$2
    .msg $chan I Have Been Told To Join $+(twitch.tv/,$2) By $nick  
  }
-----------------------------------------------for Beam on Benbaptist irc portal---------------------------------------------------------------
on *:TEXT:!join  *:#:{
  if ($nick == Channel_Name) {
   .join #$2
    .msg $chan I Have Been Told To Join $+(beam.pro/,$2) By $nick  
  }