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From: Vladimir Nikishkin <lockywolf@gmail.com>
To: Leo Butler <Leo.Butler@umanitoba.ca>
Cc: Ihor Radchenko <yantar92@posteo.net>,
	"emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>
Subject: Re: [BUG] Consider replacing bachload with batch in ob-maxima. [9.6.6 (release_9.6.6 @ /usr/share/emacs/30.0.50/lisp/org/)]
Date: Sun, 03 Sep 2023 13:25:31 +0800	[thread overview]
Message-ID: <87fs3vkea5.fsf@laptop.lockywolf.net> (raw)
In-Reply-To: <87o7ikh1xy.fsf@t14.reltub.ca>


Leo Butler <Leo.Butler@umanitoba.ca> writes:

> On Sat, Sep 02 2023, Ihor Radchenko <yantar92@posteo.net> wrote:
>
>> Lockywolf <for_org-bugs_2023-09-01@lockywolf.net> writes:
>>
>>> At the moment, ob-maxima has a straightforward way of evaluating
>>> babel blocks,
>>>
>>> #+begin_src shell
>>> maxima --very-quiet -r batchload\(\"/tmp/ob-maximaFOOBAR.mac\"\)\$
>>> #+end_src
>>> (line 87 of ob-maxima.el),
>>>
>>> I suggest replacing batchload with batch(), and changing line 73 from
>>> "gnuplot_close ()$" to 	"gnuplot_close ()$ \nquit();"
>>>
>>> The difference between "batch" and "batchload" is that "batch" can
>>> process :lisp expressions in addition to maxima's own, and it prints
>>> input/output labels. However, it is possible to customise label printing
>>> from maxima's own code, and being able to evaluate :lisp just seems
>>> uncontrovercially good.
>>>
>>> It might be that I am missing something, but batch seems a better fit
>>> for Org-Babel.
>>
>> May you please explain more about :lisp expressions?
>
> This special syntax is not necessary. A recent change introduced the
> function `eval_string_lisp' that removes the need for it. I.e. one can
> batchload a file and execute lisp code inside a call to eval_string_lisp.
>

Well, necessary or not, but it existed for many years, and continues to
be a valid part of maxima so far. It is surprising for new users to not
see it working when quite a lot of howtos use it. (Especially the famous
pattern-matching howto from Michael Talon.)

Also, I would be hesitant to say that it "removes the need for it",
because a "valid expression" is not the same thing as a "string". In
particular, error processing should be different.

>>
>> Also, what is the benefit/downside of printing input/output labels? Is
>> there any chance they will be caught into the source block output? If
>> so, it would be a breaking change.
>
> Yes, his requests are breaking changes. That is why I suggested opening
> up the internals a bit so that one can alter the behavior while
> maintaining the same default.
>
> Leo

Well, this change is "breaking", in the sense that it would make the
output of ob-maxima be more consistent with what, say, imaxima is doing.
However, I thing that there is a way to make it non-breaking, by
prepending some maxima code which would make adjust maxima using "batch"
to have the same output as "batchload". Something like
src_maxima{programmode: true; nolabels: true;} should turn off labels
if that is desired.

But I would agree with Leo Butler that customisation is the best
solution here. Both "full batch", and "pseudo-interactive" modes are
useful.

-- 
Your sincerely,
Vladimir Nikishkin (MiEr, lockywolf)
(Laptop)


      reply	other threads:[~2023-09-03  5:39 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-01  4:35 [BUG] Consider replacing bachload with batch in ob-maxima. [9.6.6 (release_9.6.6 @ /usr/share/emacs/30.0.50/lisp/org/)] Lockywolf
2023-09-01 18:33 ` Leo Butler
2023-09-02  7:19   ` Ihor Radchenko
2023-09-02 18:12     ` Leo Butler
2023-09-05 10:57       ` [MAINTENANCE] On how much we can expose internals into defcustom (was: [BUG] Consider replacing bachload with batch in ob-maxima. [9.6.6 (release_9.6.6 @ /usr/share/emacs/30.0.50/lisp/org/)]) Ihor Radchenko
2023-09-06 19:39         ` [MAINTENANCE] On how much we can expose internals into defcustom Leo Butler
2023-09-07 11:35           ` Ihor Radchenko
2023-09-12 21:09             ` [PATCH] ob-maxima.el, etc. (was Re: [MAINTENANCE] On how much we can expose internals into defcustom) Leo Butler
2023-09-15  9:41               ` Ihor Radchenko
2023-09-15 15:13                 ` Leo Butler
2023-09-16  9:04                   ` Ihor Radchenko
2023-09-19 19:25                     ` Leo Butler
2023-09-20  9:17                       ` Ihor Radchenko
2023-09-20 15:02                         ` Leo Butler
2023-09-21  9:18                           ` Ihor Radchenko
2023-09-21 14:03                             ` Leo Butler
2023-09-22  9:43                               ` Ihor Radchenko
2023-10-02 16:01                                 ` Leo Butler
2023-10-04  8:38                                   ` Ihor Radchenko
2023-10-04 13:07                                     ` Leo Butler
2023-09-02  7:06 ` [BUG] Consider replacing bachload with batch in ob-maxima. [9.6.6 (release_9.6.6 @ /usr/share/emacs/30.0.50/lisp/org/)] Ihor Radchenko
2023-09-02 18:20   ` Leo Butler
2023-09-03  5:25     ` Vladimir Nikishkin [this message]

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