I agree with Ralph. diff(1) is awfully useful too, perhaps more so with "text" than "data", but traditional Unix tools don't really make that distinction. I did recently solve a problem that had baffled a user of Access, by diff'ing two large files that he had assumed should be identical, and showing with uniq(1) that the keys weren't as unique as they were meant to be ... John
-- John Palmer Preston near Weymouth, Dorset, England e-mail: [email protected] (plain text preferred) website: http://www.palmyra.me.uk/ -- Next meeting: Bournemouth, Tuesday, 2013-11-05 20:00 Meets, Mailing list, IRC, LinkedIn, ... http://dorset.lug.org.uk/ New thread on mailing list: mailto:[email protected] How to Report Bugs Effectively: http://goo.gl/4Xue

