On Sun, 19 Sep 2010 at 15:03:43 +0200, Andre Majorel wrote: > I may just parse cmp -l's output format. It kind of sucks that > it's decimal-octal but I could support 0x as an extension. The format used by xxd(1), part of vim, is quite nice? It's all done in hex, like so: 0000018: 224d 616e 7561 6c20 7061 6765 "Manual page and can apply patches in that format to binary files. Simon