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Re: st: Macro parsing question.


From   Nick Cox <njcoxstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Macro parsing question.
Date   Thu, 14 Feb 2013 16:36:42 +0000

In turn I don't understand this new question.

It seems that you don't understand the code you have written or my
explanation of why the results it gives are perfectly expectable;
indeed both.

Perhaps you should explain what you want the code to do, because it is
evidently not doing it.

Nick

On Thu, Feb 14, 2013 at 4:12 PM, Amadou DIALLO <stata.diallo@gmail.com> wrote:
> Thanks Nick,
> I have not quite understand your answer. The thing, I have to include
> the evaluation within a loop. Why, when inserting in the loop this is
> not working?
> Regards.
> Bachir.
>
> 2013/2/14, Nick Cox <njcoxstata@gmail.com>:
>> That's correct, and consistent with my previous answer. Whatever is
>> done last determines the value of -d-. Here you do one thing, and the
>> last is also the first. In the loop, you do several things, and the
>> last is the only one that has a lasting effect.
>>
>> Nick
>>
>> On Thu, Feb 14, 2013 at 9:44 AM, Amadou DIALLO <stata.diallo@gmail.com>
>> wrote:
>>> Also, when I do it in the command line, I obtain what I want:
>>>
>>> . if "a" == "a" loc d %
>>>
>>> . else loc d Value
>>>
>>> . di "`d'"
>>> %
>>>
>>>
>>> 2013/2/14, Amadou DIALLO <stata.diallo@gmail.com>:
>>>> Hi,
>>>> I spent the night programming some stuffs but cannot understand why I
>>>> don't obtain the expected results. I was expecting "%" but got
>>>> "Value". What am I doing wrong?
>>>>
>>>>       noi se tr on
>>>>       loc list1 a
>>>>       loc list2 a b c
>>>>       loc d
>>>>       foreach j of loc list1 {
>>>>          foreach k of loc list2 {
>>>>             if "`j'" == "`k'" loc d %
>>>>             else loc d Value
>>>>          } // foreach k
>>>>                 }
>>>>       di "`d'"
>>>>
>> *
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>>
>
>
> --
> Amadou B. DIALLO, PhD.
> Senior Economist, AfDB.
> a.b.diallo@afdb.org
> +21671101789
> *
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