in reply to Re: 15 billion row text file and row deletes - Best Practice?
in thread 15 billion row text file and row deletes - Best Practice?

Keith has the best solution here. It's an old-fashioned match-merge. It's also the fastest: guaranteed O(n) (after the sort, of course).
  • Comment on Re^2: 15 billion row text file and row deletes - Best Practice?

In Section Seekers of Perl Wisdom