On Thu, 2005-10-20 at 12:08 +0100, Martin wrote: > OK, who can do that as a one-liner? Actually, is can be improved. (After reading man uniq) find -type f | xargs md5sum | sort | uniq -D -w32 note the capital "D" It works, but is clearly not the fastest since it runs md5sum on everything. -- Martin.