Something

on *:TEXT:!setgreet*:#: {
set %personal.greet. [ $+ [ $nick ] ] $2-
msg $chan  $+ $nick $+ , Your Personal Greet Has Been Set To: $2- $+ .
}
on *:JOIN:#: {
$iif(%personal.greet. [ $+ [ $nick ] ], msg $chan $+([,$nick,]) %personal.greet. [ $+ [ $nick ] ]
}