Oh you can delete those instances of that. It was for your original RPG that if they chose a character and decided to choose a different one it'd clear the file and write to it again. But since we've checked if they have chose a pokemon or not we don't need it.
By Stat 1 do you mean level or attack etc?
Code:
On *:Text:!Stat *:#: {
var %file = $+(Pokemon_RPG\,$nick,.Party,.txt)
if ($isfile(%file)) {
msg $chan $read(%file,w,$+(*,$2,*))
}
}