Mine

on *:text:!greet on*:#:{
  if ($nick is op||$nick is hop)
/msg $chan The greet command has been activated by: $nick
  enable #GroupGreet
} }
on *:text:!greet off*:#:{
  if ($nick is op||$nick is hop)
/msg $chan The greet command has been deactivated by: $nick
  disable #GroupGreet
} }
#GroupGreet off
on *:text:!setgreet*:#:{
/writeini greets.ini $nick greets on
/write greet.txt $2- } }
on *:join:#:{
if ($readini(greets.ini,$nick,greets == on)) 
/msg $chan [ $nick ] $read greet.txt { Halt }
else 
/notice $nick U havent yet set a greet, use !setgreet <requested greet> to set one } }
on *:text:!delgreet*:#:{
/remini greets.ini $nick } }