From: Rainer M Krug <Rainer@krugs.de>
To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs orgmode-mailinglist <Emacs-orgmode@gnu.org>
Subject: Re: [babel] Using :prologue and :epilogue with unbalanced brackets
Date: Mon, 27 Jan 2014 10:16:10 +0100 [thread overview]
Message-ID: <52E623DA.2000904@krugs.de> (raw)
In-Reply-To: <87ppnewnzf.fsf@gmail.com>
-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1
On 01/26/14, 19:16 , Eric Schulte wrote:
> Rainer M Krug <Rainer@krugs.de> writes:
>
>> On 01/20/14, 16:34 , Eric Schulte wrote:
>>> Rainer M Krug <Rainer@krugs.de> writes:
>>>
>>>> Hi
>>>>
>>>> I would like to use :prologue and :epilogue to enclose the
>>>> code block in a local({}) block, i.e.
>>>>
>>>> * test #+begin_src R :prologue local({ :epilogue }) qwerty
>>>> <- "test" #+end_src
>>>>
>>>
>>> I tried wrapping the prologue and epilogue values in quotes so
>>> that they would be interpreted as strings, and I no longer see
>>> the problem you describe and it works in a session, but I get a
>>> different R issues outside of a session.
>>
>> Agreed -
>>
>> * test #+begin_src R :results output :prologue "local({"
>> :epilogue "})" :session cat("Test") #+end_src
>>
>> #+RESULTS:
>>
>> no :session nothing happens
>>
>> using :session the execution does not complete because the
>> :epilogue is not appended.
>>
>
> The problem here is when `org-babel-balanced-split' parses the
> following string.
>
> ":results output :prologue \"local({\" :epilogue \"})\" :session"
>
> It isn't smart enough to *not* balance the ({}) parens because of
> the enclosing quotes. Unfortunately I don't have time to address
> this right now. A hacky work around would be the following...
>
> #+headers: :epilogue "})" #+headers: :prologue "local({"
> #+begin_src R :results output :session cat("Test") #+end_src
Thanks - that looks fine to me for the moment. I whould use these
#+headers: much more often - they clean up the #+begin_src line and IU
actually like it.
Cheers,
Rainer
>
> Best,
>
>>
>>
>> * test 2 #+begin_src R :results output :prologue "cat(1,
>> '###\n')" :epilogue "cat(2, '###\n')" :session cat("Test\n")
>> #+end_src
>>
>> #+RESULTS: : 1 ### : Test
>>
>> works under :session and without
>>
>> but * test 2 #+begin_src R :results output :prologue "{cat(1, 2
>> )" :epilogue "cat(2, 3)}" :session cat("Test\n") #+end_src
>>
>> works only without :session as R is waiting for the "}" which is
>> in the :epilogue but which is not added.
>>
>> Cheers,
>>
>> Rainer
>>
>>
>>>
>>> Best,
>>>
>>>>
>>>> But the problem seems to be the unbalanced brackets, and
>>>> everything is passed on as the prologue, as I get the error:
>>>>
>>>> Error: unexpected ':' in: "{ local({ :" Execution halted
>>>>
>>>> Can I somehow use unbalanced brackets, or is this a missing
>>>> option in epilogue and prologue?
>>>>
>>>> Cheers,
>>>>
>>>> Rainer
>>>>
>>>>
>>>> -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc
>>>> (Conservation Biology, UCT), Dipl. Phys. (Germany)
>>>>
>>>> Centre of Excellence for Invasion Biology Stellenbosch
>>>> University South Africa
>>>>
>>>> Tel : +33 - (0)9 53 10 27 44 Cell: +33 - (0)6 85
>>>> 62 59 98 Fax : +33 - (0)9 58 10 27 44
>>>>
>>>> Fax (D): +49 - (0)3 21 21 25 22 44
>>>>
>>>> email: Rainer@krugs.de
>>>>
>>>> Skype: RMkrug
>>>
>>
>> -- Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc
>> (Conservation Biology, UCT), Dipl. Phys. (Germany)
>>
>> Centre of Excellence for Invasion Biology Stellenbosch
>> University South Africa
>>
>> Tel : +33 - (0)9 53 10 27 44 Cell: +33 - (0)6 85 62
>> 59 98 Fax : +33 - (0)9 58 10 27 44
>>
>> Fax (D): +49 - (0)3 21 21 25 22 44
>>
>> email: Rainer@krugs.de
>>
>> Skype: RMkrug
>
- --
Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
Biology, UCT), Dipl. Phys. (Germany)
Centre of Excellence for Invasion Biology
Stellenbosch University
South Africa
Tel : +33 - (0)9 53 10 27 44
Cell: +33 - (0)6 85 62 59 98
Fax : +33 - (0)9 58 10 27 44
Fax (D): +49 - (0)3 21 21 25 22 44
email: Rainer@krugs.de
Skype: RMkrug
-----BEGIN PGP SIGNATURE-----
Version: GnuPG/MacGPG2 v2.0.22 (Darwin)
Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/
iQEcBAEBAgAGBQJS5iPZAAoJENvXNx4PUvmCA+oIAM3qK1QljWs2d7gvTxY1Np7c
DcbZn6GE3OD1mYMiNLZVCZ9mYthSOPYNTrXQDxo90hcodkfXQarUKWp7vaBZOwUA
uEasOGdq3GAwK1EwvuetQwlSdLDufsO7jbJsT+xbm+gRNF+DqvUBqcrhI071xZvU
Wv284oX00Mknd2OxEmKKCUtHd+timu2QfEGTyT+zYaWULY3CfBN8WyPxDdneHQIC
ea534F7qqP9QPIMcsYfVAGlHEwcTtnDvrBdsaW5WpgmQYj6UU7k9gH61aBMKZP7f
IC7zITlAf+EeVIg8T1GZ3pZXoWshAzbdiK3LoFJ56fzCdGa83Ywbb55TIzuVulw=
=aXYx
-----END PGP SIGNATURE-----
prev parent reply other threads:[~2014-01-27 9:16 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-20 14:11 [babel] Using :prologue and :epilogue with unbalanced brackets Rainer M Krug
2014-01-20 15:34 ` Eric Schulte
2014-01-21 10:28 ` Rainer M Krug
2014-01-26 18:16 ` Eric Schulte
2014-01-27 9:16 ` Rainer M Krug [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
List information: https://www.orgmode.org/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52E623DA.2000904@krugs.de \
--to=rainer@krugs.de \
--cc=Emacs-orgmode@gnu.org \
--cc=schulte.eric@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this public inbox
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).