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: Tue, 21 Jan 2014 11:28:13 +0100 [thread overview]
Message-ID: <52DE4BBD.4090807@krugs.de> (raw)
In-Reply-To: <87ha8yy8c1.fsf@gmail.com>
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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.
* 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
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next prev parent reply other threads:[~2014-01-21 10:28 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 [this message]
2014-01-26 18:16 ` Eric Schulte
2014-01-27 9:16 ` Rainer M Krug
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