[PATCH 3/3] hush: implement getopt builtin

[Jean-Christophe PLAGNIOL-VILLARD]

On 14:45 Fri 08 Oct     , Sascha Hauer wrote:
> On Fri, Oct 08, 2010 at 02:36:27PM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > On 14:24 Fri 08 Oct     , Sascha Hauer wrote:
> > > Positional parameters are not nice, so implement a getopt
> > > function. This has to be done as a builtin because otherwise
> > > we have no access to the parents argc/argv.
> > > 
> > > getopt works as expected, here is a little example:
> > > 
> > > while getopt "hs:" OPT
> > > do
> > >         if [ $OPT = h ]; then
> > >                 echo "usage"
> > >                 exit 1
> > >         else
> > >                 echo "scr: opt: $OPT optarg: $OPTARG"
> > > 	fi
> > > done
> > > 
> > > Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
> > how about make it optional?
> 
> Probably a good idea. I just had in mind that we need to adjust
> the defconfigs then to still have a working defaultenv.
> 
> How about making it optional and combined with your defaultenv-Kconfig
> patch we could do a
> 
> 	select HUSH
> 	select HUSH_GETOPT
> 
> to make sure all commands needed by the defaultenv are in place.
that's why I move the defaultenv to Kconfig, I'm still in vacation. I'll send
the patch tomorrow

Best Regards,
J.