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From: ian martins <ianxm@jhu.edu>
To: Bastien <bzg@gnu.org>
Cc: Org-Mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: default :results
Date: Sat, 14 Nov 2020 05:27:57 -0500
Message-ID: <CAC=rjb4TvCV3G=Zg4uTXtPpDjJopJ8m1S-3ZRHAivr9Xzr6hWA@mail.gmail.com> (raw)
In-Reply-To: <87pn4kcob7.fsf@gnu.org>

On Wed, Nov 11, 2020 at 3:04 AM Bastien <bzg@gnu.org> wrote:
>
> The default for ob-shell execution was to use the output, not the
> value.  Then we had a long discussion, leading to this:
>
> - The default (no :result) is to display the functional value
>
> - For some languages, it may break expectations, so in this case we
>   allow a variable that let the default (no :result) use the output
>   instead of the functional value.
>
>   This is what is being done for ob-shell.el where we have
>   `org-babel-shell-results-defaults-to-output' set to `t'.
>
> See https://orgmode.org/list/877dt5trjr.fsf@bzg.fr/ for the conclusion
> of the discussion.

I agree with your reasoning. I already reverted the behavior, but
Instead of adding a `org-babel-java-results-defaults-to-output
variable' I set the default in `org-babel-default-header-args:java'.
It was better because it didn't add a new variable, but worse because
it isn't customizable. Should I change it?

> Also see `org-babel-shell-results-defaults-to-output' docstring:
>
>   Let shell execution defaults to ":results output".
>
>   When set to t, use ":results output" when no :results setting
>   is set.  This is especially useful for inline source blocks.
>
>   When set to nil, stick to the convention of using :results value
>   as the default setting when no :results is set, the "value" of
>   a shell execution being its exit code.
>
> > And is this inconsistent behavior across languages something that
> > should be fixed? or is it intentional or at least not worth doing
> > anything about?
>
> What was suggested is to have a page on Worg listing the behavior of
> various packages regarding block execution.
>
> I started a section on https://orgmode.org/worg/library-of-babel.html
> with a table -- feel free to add more to this table.

Thanks, I will add to it. Would it be better for the table to be on
the languages [1] page? If so, I can move it when I update.

Also, there are two library of babel pages ([2], [3]) that appear to
serve the same purpose. I was thinking of merging them. Is that fine?

[1] https://orgmode.org/worg/org-contrib/babel/languages/index.html
[2] https://orgmode.org/worg/org-contrib/babel/library-of-babel.html
[3] https://orgmode.org/worg/library-of-babel.html


  reply	other threads:[~2020-11-14 10:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-27  2:01 ian martins
2020-11-11  8:03 ` Bastien
2020-11-14 10:27   ` ian martins [this message]
2020-11-17 12:40     ` ian martins

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