Try..

Code:
On *:Text:!Start:?: {
  if (!$isdir(Naruto RPG)) mkdir "Naruto RPG"
  if (!$isfile($+(Naruto RPG\,$nick,.stats,.txt))) {
    write $+("Naruto RPG\,$nick,.stats,.txt")
    msg $nick Your journey is about to start.
  }
  else { msg $nick You are already registered. }
}

on *:Text:!Chr *:?: {
  if ($isfile($+(Naruto RPG\,$nick,.stats,.txt))) {
    var %do.cmd = write $+("Naruto RPG\,$nick,.stats,.txt")
    if (!$read($+(Naruto RPG\,$nick,.stats,.txt),w,*Character:*)) {
      if ($2 == Sasuke) {
        write -c $gettok(%do.cmd,2-,32)
        %do.cmd Character: $2
        %do.cmd Level: 1
        %do.cmd Attack: 6
        %do.cmd Defence: 4
        %do.cmd Speed: 6
        msg $nick You have chosen $2 as your character.
        msg $nick To view Sasuke's attacks type !Attacks
      }
      if ($2 == Sakura) {
        write -c $gettok(%do.cmd,2-,32)
        %do.cmd Character: $2
        %do.cmd Level: 1
        %do.cmd Attack: 6
        %do.cmd Defence: 4
        %do.cmd Speed: 6
        msg $nick You have chosen $2 as your character.
        msg $nick To view Sakura'a attacks type !Attacks
      }
    }
    else { msg $nick You already chose $gettok($read($+(Naruto RPG\,$nick,.stats,.txt),w,*Character:*),2,32) as your character.
    }
  }
  else { msg $nick You aren't registered. }
}
On *:Text:!Stats:?: {
  if ($isfile($+(Naruto RPG\,$nick,.stats,.txt))) {
    play $nick $+("Naruto RPG\,$nick,.stats,.txt") 1000
  }
}


-Andy