Count user`s joins

mIRC snippet that count how many times a user joined a channel. The list of the channels is loaded from the .txt file.

on *:JOIN:#test:{
  if ($read($ctfile,ntw,$nick *)) {
    var %rn $readn, %count $gettok($read($ctfile,nt,%rn),2,32)
    write $+(-l,%rn) $ctfile $nick $calc(%count + 1)
  }
  else { write -i $ctfile $nick 1 }
}

alias -l ctfile { return channeltracker.txt }