on *:TEXT:!greet*:#: { 
  set %greet $+ $nick $2- 
  notice $nick $nick $+ , your personal greet has been set to: $2- 
} 
on *:JOIN:#: { 
  if (%greet [ $+ [ $nick ] ] != $null) {  
  msg $chan [4 $nick ] %greet [ $+ [ $nick ] ] }
  else {
  notice $nick You have not set a greet message yet, to do so say !greet <message>. }
}
on 1:TEXT:!delgreet:#:{ set %greet $+ $nick $null | notice $nick Your greet was deleted. }