On Thu, Dec 30, 2010 at 10:56 AM, Stephen Harris <lists at spuddy.org> wrote: > > I'm a little concerned about the number of "schoolbook" questions showing > on this list, recently. However... > I have to wonder why we are doing this fellow's homework for him at all. These are fairly basic exercises in learning to use shell commands for pattern processing, most of which can be gleaned from the man pages and a (very) little brain exercise combined with experimentation. There are also numerous books on these subjects....