From mboxrd@z Thu Jan  1 00:00:00 1970
From: John Hendy <jw.hendy@gmail.com>
Subject: Re: Using :results output org with new exporter exporting as
 verbatim with LaTeX
Date: Sat, 23 Mar 2013 20:40:58 -0500
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To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>

On Sat, Mar 23, 2013 at 5:12 PM, Eric Schulte <schulte.eric@gmail.com> wrote:
> John Hendy <jw.hendy@gmail.com> writes:
>
>> I have an org file with R src block that spits out some file names to
>> embed. I don't think I need to reproduce the block for testing
>> purposes, but the gist is that I use cat() to spit out some
>> =#+begin_center= and =[[filename]]= stuff.
>>
>> R code block header:
>>
>> #+name: src-block-name
>> #+begin_src R :session r :exports results :results output org
>>
>>
>> I'm getting a results block like so:
>>
>> #+RESULTS: src-block-name
>> #+BEGIN_SRC org
>>
>> [[./plots/filename1.pdf]]
>>
>> [[./plots/filename2.pdf]]
>>
>> [[./plots/filename3.pdf]]
>>
>> #+END_SRC
>>
>> I used this setup previously (and successfully) as described in this
>> mailing list thread. That particular post described my near successful
>> block, with the same sort of cat(paste()) commands I was using to
>> output the filenames in [[filename.pdf]] orgmode syntax. The final
>> success happened at the very end when Eric Schulte suggested I change
>> from :results output raw to :results output org.
>> - http://lists.gnu.org/archive/html/emacs-orgmode/2012-08/msg01222.html
>>
>> Hence, I started with :results output org this time, but it didn't
>> work. It's being exported verbatim using =C-c C-e l p=. (Appears in
>> \begin{verbatim} ... \end{verbatim} in the output .tex file)
>>
>> If I change to :results output raw, I simply get:
>>
>> #+results
>>
>> [[filename.pdf]]
>>
>> This exports correctly.
>>
>> If I change the :results output org #+results block to the following,
>> it also works correctly:
>>
>> #+begin_org
>>
>> [[filename.pdf]]
>>
>> #+end_org
>>
>> From the ob-doc-R, it appears that orgmode export might be expecting
>> #+begin_org, not #+begin_src org:
>> - http://orgmode.org/worg/org-contrib/babel/languages/ob-doc-R.html
>>
>> #+begin_quote
>> The Org Mode source code block specifies :results org so the output is
>> wrapped in #+BEGIN_ORG & #+END_ORG. This way, arbitrary output can be
>> included and easily replaced on subsequent evaluations of the source
>> code block.
>> #+end_quote
>>
>>
>> Let me know the current proper way to accomplish what I'm trying to do.
>>
>>
>>
>> Thanks,
>> John
>>
>
> Hi John,
>
> There has been some churn in results handling in the last year, in part
> this is related to the new exporter.  I think the following is the
> current best approach.
>
>     #+begin_src sh :results output wrap
>     cat <<EOF
>     [[./plots/filename1.pdf]]
>
>     [[./plots/filename2.pdf]]
>
>     [[./plots/filename3.pdf]]
>     EOF
>     #+end_src
>
>     #+RESULTS:
>     :RESULTS:
>     [[./plots/filename1.pdf]]
>
>     [[./plots/filename2.pdf]]
>
>     [[./plots/filename3.pdf]]
>     :END:
>
> I do feel bad that we had to add yet another results type (i.e. "wrap"),
> but as I recall there were very good reasons for this decision and it
> has made things cleaner on the implementation side.

I'm fine with whatever, though I think ob-R-doc is in need of a
refresher, since I don't particularly think raw vs. org (and now wrap,
which is non-existent in formal documentation from what I've seen) is
explained extremely well. I'd be happy to help, but I don't understand
the differences myself.

For example, in our previous discussion (from the thread linked in my
original post), it seems like raw was the /gist/ of what I wanted, but
raw didn't know how to replace org-specific syntax [[filename]]
properly, so I needed org.

I also can't find any references to =output wrap=. Tried googling
=output wrap R orgmode babel= and then ="output wrap" R orgmode babel=
to try to find some discussions on this.


Thanks for letting me know,
John

>
> Cheers,
>
> --
> Eric Schulte
> http://cs.unm.edu/~eschulte