Leosghost - 2:30 am on Sep 23, 2012 (gmt 0)
Editing files without opening them ..and in batches too..
You can try notepad++ for windows ( freeware )..and nautilus on ubuntu ( even freer ware :) and derivatives ( I don't know for sure if they will edit out BOM though )..and on mac? ..joss sticks and repeating "it just works" ? ;)