[Toybox] [PATCH] xxd

[enh]

On Thu, Jun 25, 2015 at 3:54 PM, Rob Landley <rob at landley.net> 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.)


> and
> did hexedit because it was interactive. (Although I broke out the
> draw_line() logic thinking I could genericize stuff and maybe reuse code
> here...)
>

(i'd never heard of hexedit, and it's not on the ubuntu default install.)


> Now here's a third that doesn't share code with either of the first two.
> It's small, it looks simple, and it's the third implementation of the
> same stuff...
>

hexdump -C had been the local favorite for years, but xxd's killer feature
is that it's reversible, for all your hex-editing-from-a-script needs. plus
--unlike hexdump and od -- the default output format is useful.


> That's why it went on the todo list instead of immediate merging,
> anyway. I should at least throw it in pending though...
>

thanks!

(my time's been swallowed up doing NDK stuff lately, but i have enough
toybox patches already mailed out to keep you busy for now :-) )


>
> Rob
>



-- 
Elliott Hughes - http://who/enh - http://jessies.org/~enh/
Android native code/tools questions? Mail me/drop by/add me as a reviewer.
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