[Buildroot] Bash string manipulation in Kconfig
Yann E. MORIN
yann.morin.1998 at free.fr
Mon Sep 3 20:07:47 UTC 2012
Stefan, All,
On Monday 03 September 2012 21:53:52 Stefan Fröberg wrote:
> 3.9.2012 22:08, Thomas Petazzoni kirjoitti:
> > Le Mon, 03 Sep 2012 21:56:31 +0300,
> > Stefan Fröberg <stefan.froberg at petroprogram.com> a écrit :
> >
> >> But how to do similar in buildroot .mk files ???
> > $(notdir $(FOO))
> >
> > Thomas
>
> One more question:
>
> Why does not the following work ?
>
> FULL_DOWNLOAD_URL=http://www.somedomain.com/blah/blah/somefile1
> FULL_DOWNLOAD_URL+=http://www.somedomain2.com/blah2/blah2/blah/somefile2
>
> for i in $(FULL_DOWNLOAD_URL);do \
> echo $(notdir $$i) ; \
> done
>
> I expect it to print:
>
> somefile1
> somefile2
>
> But it prints instead:
>
> http://www.somedomain.com/blah/blah/somefile1
> http://www.somedomain2.com/blah2/blah2/blah/somefile2
That's because $(notdir ...) is onterpreted by make, while $i is
interpreted by the shell.
In your case, you'd want to use the shell constrcut:
for i in $(FULL_DOWNLOAD_URL);do \
echo $${i##*/} ; \
done
Regards,
Yann E. MORIN.
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