On Thu, Dec 30, 2010 at 10:34:58AM -0800, S Mathias wrote: > I just can't google for it: I'm a little concerned about the number of "schoolbook" questions showing on this list, recently. However... > echo "word1 word2 word3" > one/asf.txt > echo "word2 word4, word5" > one/asfcxv saf.txt Yeah, that line won't work like you think. > $ SOMEMAGIC > output.txt I'd do something like cat */* | tr -c '[:alpha:]' '\012' | grep -v '^$' | sort | uniq -c If more than just one layer of subdirs, replace the "cat */*" with find . -type f -exec cat {} \; -- rgds Stephen