Hi Norbert, Much faster indeed. It's instantaneous versus 35 sec for the md5sum. Thanks for the tip. Regards, Joachim. <div class="gmail_quote">Le 7 juin 2011 22:53, Norbert Thiebaud <<a href="mailto:nthiebaud@gmail.com">nthiebaud@gmail.com</a>> a écrit : <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">2011/6/7 Joachim Trémouroux <<a href="mailto:joachim.tremouroux@gmail.com">joachim.tremouroux@gmail.com</a>>: <div class="im">> Hi everybody, > > I have made some stats to check the number of duplicate icons in the > clone/artwork directory: > > $ find . -name "*.png" -exec md5sum {} \; > /tmp/icon_list.txt > </div>Nice work... you could also use : git ls-tree -r HEAD that will give you both the filename and the sha1 of the blob at once and probably significantly faster than running md5sum on each Norbert </blockquote></div>