Yes, 10^9 records. The entire file is more like 80GB, since there are frequent empty fields. I estimated the time for my Perl program to pass the entire file to be around 5 hours. Don't know how much faster cat is, but it's GOT to be faster than that (I'm not at work at the moment).
in reply to Re: selecting columns from a tab-separated-values file
in thread selecting columns from a tab-separated-values file