Subject: Re: diff wrapper script for very large files, low memory

From: Jim Meyering <[email-masked]>
Date: Sun, 1 May 2016 19:00:06 -0700

tags 22108 wishlist
done

Thanks for the suggestion and pointer.
FYI, your problem is very similar to that described at http://bugs.gnu.org/21665

I'm marking this auto-created issue as "wishlist".
A combination of this approach and using mmap may be profitable when
input files are too large for available RAM.