On Thu, Jun 25, 2015 at 04:23:39PM -0700, enh wrote: > On Thu, Jun 25, 2015 at 3:54 PM, Rob Landley <[email protected]> wrote: > > > On 05/09/2015 11:36 PM, enh wrote: > > > i've long been a hexdump(1) user, but someone on my team habitually uses > > > xxd(1) and seeing that it was bi-directional was enough to switch my > > > alleigance. this patch doesn't add that part, but it does cover the > > > basic use cases. > > > > > > (right now Android just has a shell function 'hd'.) > > > > Sigh. I did od because posix said to > > (http://pubs.opengroup.org/onlinepubs/9699919799/utilities/od.html) > > (stupid posix. though at least one person on Android was pleased to see od, > so i guess it's not as dead as i'd assumed.)
This isn't "stupid posix". It's the one portable way to process binary input in a shell script, and it actually works in practice. See my examples in: http://www.etalabs.net/sh_tricks.html Using this technique, you can actually implement arbitrary binary processing tasks (albeit with rather poor performance) in shell script. Rich _______________________________________________ Toybox mailing list [email protected] http://lists.landley.net/listinfo.cgi/toybox-landley.net
