http://www.perlmonks.org?node_id=1045231


in reply to Re: Merge huge files (individually sorted) by order
in thread Merge huge files (individually sorted) by order

Works so well I felt more stupid :) A follow up question: if you have a big file (>10GB) in which one column has say 100 unique values. How do you break this file into 100 smaller files with one unique value in that column? Thanks so much.