Simple Bot greet Script with multiple options

Channel Operator Commands
!changreet on|off - If off, when user joins their greet will not be displayed
!greetall on|off If off, when a user join no matter if they don't have a rank, their greet will be displayed.

User Commands
!greet on|off - Turns their greet on or off
!greet Greet_here - Change your greet

It should work fine, Its not tested cause I wrote it in this window, if not tell me.

on *:text:!greet *:#:{
     if ($2 == on) {
          notice $nick Your greet has been enabled.
          writeini greets.ini $nick mode on
     }
     elseif ($2 == off) {
          notice $nick Your greet has been disabled.
          writeini greets.ini $nick mode off
     }
     else {
          notice $nick Your greet has been succesfully changed.
          writeini greets.ini $nick greet $2-
     }
}

on *:text:!changreet *:#:{
     if ($2 == on) {
          msg $chan Greetings have been enabled.
          writeini greets.ini channels $chan on
     }
     elseif ($2 == off) {
          msg $chan Greetings have been disabled.
          writeini greets.ini channels $chan off
     }
}

on *:text:!greetall *:#:{
     if ($2 == on) {
          msg $chan Any one can use their greets in this channel now.
          writeini greets.ini channels2 $chan on
     }
     elseif ($3 == off) {
          msg $chan Only Voiced users and higher can use their greets in this channel.
          writeini greets.ini channel2 $chan off
     }
}

on *:join:#:{
if ($readini(greets.ini, $nick, greet)) {
     if ($readini(greets.ini, channels, $chan) == off) {
          halt
     }
     elseif ($readini(greets.ini, $nick, mode) == off) {
          halt
     }
     elseif ($nick isreg $chan) {
          if ($readini(greets.ini, channels2, $chan) == off) {
               halt
          }
          else {
               msg $chan [ $+ $nick $+ ] $readini(greets.ini, $nick, greet)
          }
     }
     else {
               msg $chan [ $+ $nick $+ ] $readini(greets.ini, $nick, greet)
          }
     }
}