From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Schulte <schulte.eric@gmail.com>
Subject: Re: [babel] Using :prologue and :epilogue with unbalanced brackets
Date: Mon, 20 Jan 2014 08:34:26 -0700
Message-ID: <87ha8yy8c1.fsf@gmail.com>
References: <52DD2E8A.704@krugs.de>
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To: Rainer@krugs.de
Cc: emacs orgmode-mailinglist <Emacs-orgmode@gnu.org>

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.

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

-- 
Eric Schulte
https://cs.unm.edu/~eschulte
PGP: 0x614CA05D