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From: Thorsten Jolitz <tjolitz@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: #+header: :post -> Symbol's value as variable is void: *this*
Date: Sun, 27 Jul 2014 09:27:43 +0200	[thread overview]
Message-ID: <87lhrftg5s.fsf@gmail.com> (raw)
In-Reply-To: 87a97vhor9.fsf@gmail.com

Thorsten Jolitz <tjolitz@gmail.com> writes:

> Hi List, 
> whats wrong with this :post header arg:
> #+header: :post (format "#+attr_latex :float :placement {c}{scale=.6}\n%s" *this*) 
> #+begin_src emacs-lisp 
>  (+ 2 2)
> #+end_src
> When I understand 
> ,----
> | http://orgmode.org/manual/post.html
> `----
> correctly, *this* should hold the block results, but I get 
> ,----
> | Symbol's value as variable is void: *this*
> `----

This works:

#+name: myconcat
#+header: :var x=""
#+begin_src emacs-lisp
 (format "Do %sx then quit" x)

#+header: :post myconcat(x=*this*)
#+begin_src emacs-lisp 
 (+ 2 2)

: Do 4x then quit

but how do I interpret the following sentence from the manual:

| This variable [*this*] may then be included in header argument forms
| such as those used in var header argument specifications allowing
| passing of results to other code blocks, or direct execution via Emacs
| Lisp.

What is meant by 'direct execution via Emacs Lisp' here? I think the
above construct with two src-blocks is a bit heavy for the rather small
task and hoped I could just give an Emacs Lisp expression containing
*this* as value to the :post header arg, but apparently not?

#+header: :post (format "Do %sx then quit" *this*)
#+begin_src emacs-lisp 
 (+ 2 2)

-> eval: Symbol's value as variable is void: *this*


  reply	other threads:[~2014-07-27  7:28 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-07-26 20:02 #+header: :post -> Symbol's value as variable is void: *this* Thorsten Jolitz
2014-07-27  7:27 ` Thorsten Jolitz [this message]
2014-08-06  4:12   ` Aaron Ecay
2014-08-06  8:54     ` Thorsten Jolitz

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