On Wed, Sep 22, 2010 at 05:25:49PM +0200, Peter Korsgaard wrote: > >>>>> "Sascha" == Sascha Hauer <s.hauer@xxxxxxxxxxxxxx> writes: > > Sascha> On Wed, Sep 22, 2010 at 12:36:25PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote: > >> add -F options to compare to file crc > >> > >> it's usefull to compare what you flash in a partition > > Sascha> Why don't you use memcmp? > > Sascha> memcmp -s uImage -d /dev/nand0.kernel.bb 0 0 > > It's sometimes interesting to be able to compare a checksum with a file > on the host (E.G. output of cksum/md5sum/sha1sum/..) crc32 can output the crc checksum of a file using the -f option. What Jean-Christophe added is an option to calculate the checksum of two files (one given with -f and the other with -F). I just fail to see why this must be done in a single step instead of using a crc32 followed by a memcmp. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
