On Thu, Apr 17, 2008 at 04:05:44PM -0400, Omid Gulban wrote: > does anyone have a quick way of eliminating certain columns from a tab-delimited file. Another command in the non-perl unix tools vibe, try 'cut': cut -f1,3-6,9 < myfile > myfile2 grabs columns 1,3,4,5,6,9 from myfile and puts them in myfile2 Andy