[Buildroot] Bash string manipulation in Kconfig

[Arnout Vandecappelle <arnout@mind.be>]

On 09/03/12 22:07, Yann E. MORIN wrote:
> Stefan, All,
>
> On Monday 03 September 2012 21:53:52 Stefan Fr?berg wrote:
>> 3.9.2012 22:08, Thomas Petazzoni kirjoitti:
>>> Le Mon, 03 Sep 2012 21:56:31 +0300,
>>> Stefan Fr?berg<stefan.froberg@petroprogram.com>  a ?crit :
>>>
>>>> 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
>

  Actually, in this case you just want
$(notdir $(FULL_DOWNLOAD_URL))

(the notdir function can take a list of filenames).


  Regards,
  Arnout

-- 
Arnout Vandecappelle                               arnout at mind be
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