monline

BOM is nothing more than a nuisance. Detecting and removing it is plain simple. There's a utility called bomstrip that pretty much does what is says and there's the one-liner AWK implementation that you find on stackoverflow (I've added whitespaces for better readability):
Or a sed version (replaces in place):
To do this (or just simply detect BOM) recursively in a dir, you'll find tons of ideas in this other stackoverflow article.

I found this while looking for a solution on how to transfer files with names containing accented characters from my Mac to a Win box. Here's another post with tips for some bugs.