On 2012-4-23 07:35 , Joshua Root wrote: > % openssl sha1 1/file.tar 2/file.tar > SHA1(1/file.tar)= 7937656d0860ca9286a24246a199cf2fddeb6e49 > SHA1(2/file.tar)= 7937656d0860ca9286a24246a199cf2fddeb6e49 > % gzip 1/file.tar > % gzip 2/file.tar > % openssl sha1 1/file.tar.gz 2/file.tar.gz > SHA1(1/file.tar.gz)= 78020f5e126da22be27ac9eda2633db59b725480 > SHA1(2/file.tar.gz)= 78020f5e126da22be27ac9eda2633db59b725480 > > Do your two input files also have identical timestamps?
In fact you can prove to yourself that the same file gzips the same by repeatedly gunzipping and gzipping one. - Josh _______________________________________________ macports-dev mailing list macports-dev@lists.macosforge.org http://lists.macosforge.org/mailman/listinfo.cgi/macports-dev