Re: [BUG] ob-maxima outputs linenum:0 in results on MacOS

[Leo Butler <Leo.Butler@umanitoba.ca>]

Benjamin,

What if you remove the anchor at the beginning of the regexp? Does the
following work with the other tests?

(add-to-list 'org-babel-maxima--output-filter-regexps "(linenum:0,")

Best regards,
Leo

On Fri, Dec 13 2024, Benjamin McMillan <mcmillanbb@gmail.com> wrote:

> Hi Leo,
> The first suggestion, to add to org-babel-maxima--output-filter-regexps
> does fix the src block you ask about here.
> However, the regexp doesn't match for other maxima tests. For example:
>
> #+name: ob-maxima/batch+verbatim
> #+begin_src maxima :results verbatim :batch batch :cmdline --quiet
>
> (assume(z>0),
> integrate(exp(-t)*t^z, t, 0, inf));
> #+end_src
>
> #+RESULTS: ob-maxima/batch+verbatim
> #+begin_example
>
> (%i1) (linenum:0,
> (%i1) (assume(z > 0),integrate(exp(-t)*t^z,t,0,inf))
> (%o1)                            gamma(z + 1)
> #+end_example
>
> Best,
> Ben
>
> On Wed, Dec 11, 2024 at 7:02 AM Leo Butler <Leo.Butler@umanitoba.ca> wrote:
>
>> On Tue, Dec 10 2024, Benjamin McMillan <mcmillanbb@gmail.com> wrote:
>>
>> > Hi Leo,
>> > I get the following output:
>> >
>> > #+RESULTS:
>> >
>> > #+begin_example
>> > (linenum:0,
>> > #+end_example
>> >
>> > and from *messages*:
>> >
>> > Executing Maxima source code block
>> > maxima -r \(linenum\:0\,\
>> >
>> batchload\(\"/var/folders/f5/6nrph1812wdf0nlg4ddcs_580000gn/T/babel-wImUPJ/maxima-Swf2M2.max\"\)\)\$
>> >  --very-quiet
>> > Wrote
>> >
>> /var/folders/f5/6nrph1812wdf0nlg4ddcs_580000gn/T/babel-wImUPJ/ob-input-Rbgtzp
>> > Code block evaluation complete (took 0.1s).
>> >
>> > The contents of that file (which I also attach) are:
>> >
>> > build_info();
>> >
>> > If there's more information I can give, just let me know.
>> > Thanks,
>> > Benjamin
>> >
>> > On Tue, Dec 10, 2024 at 9:17 AM Leo Butler <Leo.Butler@umanitoba.ca>
>> wrote:
>> >
>> >> On Mon, Dec 09 2024, Leo Butler <Leo.Butler@umanitoba.ca> wrote:
>> >>
>> >> > On Sun, Dec 08 2024, Ihor Radchenko <yantar92@posteo.net> wrote:
>> >> >
>> >> >> Benjamin McMillan <mcmillanbb@gmail.com> writes:
>> >> >>
>> >> >>> This outputs
>> >> >>> #+RESULTS:
>> >> >>> | (linenum:0, |
>> >> >>> |           4 |
>> >> >>>
>> >> >>> I suppose the issue is the "linenum:0". In fact, running any of the
>> >> test
>> >> >>> src blocks does that, e.g.
>> >> >>> #+begin_src maxima :results verbatim :batch batch
>> >> >>> (assume(z>0),
>> >> >>> integrate(exp(-t)*t^z, t, 0, inf));
>> >> >>> #+end_src
>> >> >>>
>> >> >>> #+RESULTS:
>> >> >>> #+begin_example
>> >> >>> (linenum:0,
>> >> >>> (assume(z > 0),integrate(exp(-t)*t^z,t,0,inf))
>> >> >>>                                  gamma(z + 1)
>> >> >>> #+end_example
>> >> >>> This does not match the (should (equal ...)) in test-ob-maxima.el
>> >> >>>
>> >> >>> I don't know maxima, and haven't made any explicit modifications
>> >> regards
>> >> >>> it, so I don't know why my setup would be outputting linenum:0
>> >>
>> >> Benjamin,
>> >> When you execute your source code block, ob-maxima prints the shell
>> >> command as a message. Could you copy that shell command from *Messages*
>> >> and send it, along with the batch file that ob-maxima creates?
>> >>
>> >> Thanks,
>> >> Leo
>> >>
>> >> >>
>> >> >> Setting linenum was introduced in
>> >> >> https://list.orgmode.org/orgmode/87jzsrai3x.fsf@localhost/
>> >> >>
>> >> >> It clearly does not affect Linux, but Maxima on MacOS appears to have
>> >> >> slightly different behavior.
>> >> >>
>> >> >> I am CCing the author of the original patch that introduced this
>> >> setting.
>> >> >> Leo, maybe you have some insight?
>> >> >>
>> >> >> Unless we can do something to solve the problem on Mac, I am
>> tentatively
>> >> >> inclined to revert the linenum part of the patch, so that ob-maxima
>> is
>> >> >> not broken on MacOS.
>> >> >
>> >> > Benjamin,
>> >> > Could you include the output of
>> >> >
>> >> > #+begin_src maxima :results verbatim
>> >> > build_info();
>> >> > #+end_src
>> >> >
>> >> > , please? I think the bug is in the Mac build of Maxima, but I need
>> more
>> >> > information to figure it out.
>> >> >
>> >> > Best,
>> >> > Leo
>>
>> Hi Benjamin,
>>
>> Let me preface my requests by saying that I do not have access to a Mac,
>> and the problem you are seeing seems to be Mac-specific, so I am
>> searching in the dark for a solution to the problem.
>>
>> I have a couple ideas.
>>
>> * First idea
>> ** Add the regexp =^(linenum:0,= to
>> =org-babel-maxima--output-filter-regexps=
>>
>> #+begin_src elisp :exports none :results raw
>>   (add-to-list 'org-babel-maxima--output-filter-regexps "^(linenum:0,")
>> #+end_src
>>
>> ** Evaluate your Maxima code block
>>
>> #+name: max
>> #+begin_src maxima :results raw :batch batch
>>   (assume(z>0), integrate(exp(-t)*t^z, t, 0, inf));
>> #+end_src
>>
>> If all goes well, you should see the output:
>>
>> #+RESULTS: max
>> (assume(z > 0),integrate(exp(-t)*t^z,t,0,inf))
>>                                  gamma(z + 1)
>>
>> Please evaluate these code blocks in an Org buffer and tell us how it
>> goes.
>>
>> * Second idea
>>
>> We could introduce a customization variable, e.g.
>> org-babel-maxima-batch/load-format-string, whose default is the current
>> value is "(linenum:0, %s(%S))$". You could change that to "%s(%S)$".
>>
>> I would prefer to see if the first idea works for you, though, before
>> pursuing this.
>>
>> TIA,
>> Leo