Re: [Babel] Reporting 2 problems of code execution

From: "Charles C. Berry" <cberry@tajo.ucsd.edu>
To: "Sébastien Vauban" <wxhgmqzgwmuf@spammotel.com>
Cc: emacs-orgmode@gnu.org
Subject: Re: [Babel] Reporting 2 problems of code execution
Date: Sun, 28 Nov 2010 20:34:03 -0800	[thread overview]
Message-ID: <Pine.LNX.4.64.1011282028060.26123@tajo.ucsd.edu> (raw)
In-Reply-To: <80wrnxi59j.fsf@missioncriticalit.com>

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On Sun, 28 Nov 2010, Sébastien Vauban wrote:

> #+TITLE:     2 problems with executing block codes
> #+DATE:      2010-11-28
> #+LANGUAGE:  en
>
> Hi Eric and Dan,
>
> * Abstract
>
> Reporting two problems:

Did you mean to include ":results output" in the headers?

When I do that in eaco of the src blocks I get what I think you were 
expecting.

See inline below.

Chuck

>
> 1. parsing problem of unescaped text from a shell block
> 2. end marker repeated upon execution of elisp block
>
> Note that I added the RESULT thing in my default headers.
>
> * Data
>
> Let's say I want to grep trough arbitrary text, such as:
>
> #+results:a-couple-of-lines
> : He said "I'll do it"
> : but that cannot be echo'ed!
>
> ... or to let it scanned by AWK for post-processing (like generating some DOT
> representation).
>
> But, first, as errors are popping up, let's say I can just output it as is.
>
> * Shell code
>
> #+begin_src sh :var data=a-couple-of-lines :exports both
> echo "$data"
> #+end_src
>
> #+results:
> #+BEGIN_RESULT
> #+END_RESULT

#+begin_src sh :results output :var data=a-couple-of-lines :exports both
echo "$data"
#+end_src

#+results:
: He said "I'll do it"
: but that cannot be echo'ed!

>
> The data is impossible (*for me*, as is) to print out from a shell code.
> Though, it is in Emacs-Lisp... without any change.
>
> Note that it's the second *single quote* only that's causing a problem, not
> the first one...
>
> * Emacs-Lisp code
>
> Executing this:
>
> #+begin_src emacs-lisp :var data=a-couple-of-lines :exports both
> (prin1-to-string data)
> #+end_src
>
> #+results:
> #+BEGIN_RESULT
> #+begin_example
> "He said \"I'll do it\"
> but that cannot be echoed!"
> #+END_RESULT#+end_example
> #+end_example
> #+end_example
> #+end_example
> #+end_example
> #+end_example
> #+end_example
> #+end_example
> #+end_example
>
> works, but the *end marker is repeated* as long as we re-execute the block.

#+begin_src emacs-lisp results output :var data=a-couple-of-lines :exports 
both
(prin1-to-string data)
#+end_src

#+results:
: "He said \"I'll do it\"
: but that cannot be echo'ed!"

>
> Best regards,
>  Seb
>
> -- 
> Sébastien Vauban
>
>
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Charles C. Berry                            Dept of Family/Preventive Medicine
cberry@tajo.ucsd.edu			    UC San Diego
http://famprevmed.ucsd.edu/faculty/cberry/  La Jolla, San Diego 92093-0901

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