Forums Scripts & Popups need help with code

on *:CHAT:*:{ tokenize 32 $strip($1-) | if ((FSrv* iswm $nick) && (%dccse == on) && ($1 isnum)) { did -a e8 1 + 0 0 0 $left($2-,$iif($pos($2-,.mp3),$calc($v1 + 3),$len($2-))) } }