On Mon, Aug 5, 2013 at 2:33 PM, Kevin O'Gorman <kogorman at gmail.com> wrote: > > if grep -v "^: " < "$nlist" | sort +2 | uniq > "$nlist"S; then > where the sort step was complaining about the "+2" command-line option. > > Does anybody recollect sort(1) ever taking such an option, and if so > what it meant? "+n" is the old way to specify "nth column starting from 0"