in reply to huge file->hash

Hi, I have to admit that I really fought to arrive to the very end of the post, maybe due to poor formatting - it's only a big chunk of text. Are you able to read it and understand it in a while? You'd better read Writeup Formatting Tips about this.

I'd suggest you to post you a basic implementation of your algorithm instead of simply describing it. Please also post a minimal set of data to better explain your needs and ideas, otherwise you can easily understand that what's pretty clear to you remains quite foggy for us (at least, me). Please ensure that the data you post is the very minimum required for us to fully understand your problem without drowning in a sea of data.

Each monk, I think, values its mental bandwidth very much, and asking them to waste it could result in your questions not being answered. This would be a lose-lose situation: you wouldn't have your answer, and we couldn't help you. This is why How do I post a question effectively? exists.

Flavio (perl -e "print(scalar(reverse('ti.xittelop@oivalf')))")

Don't fool yourself.