adds the nick you put a to a ini file and if they join your channel you bot will auto kicks saying they are banned, commands " !addban will add " and " !remban will remove "
was bored so i made this =] ' works for multi channels aswell! 'EDITED
it now adds a ban to channel, and will remove them on !remban

on *:TEXT:!addban *:#:{ 
  if ($readini(usersystem.ini,admin,$address($nick,2)) == 500) {
    writeini banned.ini $chan $2 $address($2,3) 
    mode $chan +b $address($2,3)
    kick $chan $2 You Have Been Banned From This Channel!
    msg $chan  $2  (  $address($2,3) b ) Has Been Added To AutoBan List For  $chan  
  }
}

on *:TEXT:!remban *:#:{ 
  if ($readini(usersystem.ini,admin,$address($nick,2)) == 500) {
    /remini banned.ini $chan $2
    mode $chan -b $address($2,3)
    msg $chan  $2   Has Been Removed From AutoBan List. 
    msg $2 You Are Now UnBanned From  $chan IRC Channel!
    /invite $2 $chan
  } 
}

on 1:JOIN:#:{ 
  if ($address($nick,3) == $readini(banned.ini,$chan,$nick)) {
    kick $chan $nick You Are Banned From This Channel! 
  }
}