> hmm...I should add an option "remove dupes" in dir2dat ;)
> Something like 'keep only unique sha1'....but then dir2dat decides which file
> (in case you got e.g. 2 files with the same sha1) to keep...

OK, when you have a collection of 30.000+ unsorted roms, usually you do not care much about the file name...
If I may suggest, "eliminate dupes" should check both SHA1 and size, just in case there are 2 files with same SHA1 and different size.

ciao
f205v