http://www.unix.com – Hi guys, I need your help. I have a big file with names and numbers in columns like this: Code: Albumin1A713G 1 1 3 3 1 3 1 3 1 Albumin1TC1894 1 1 1 1 1 1 1 1 1 Albumin5G186T 1 1 1 1 1 1 1 1 1 AY388580_a 0 0 1 2 1 2 1 2 1 AY388 (HowTos)