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Re: [Orgmode] [org-babel] How to refer to a specific property when it is
From: |
Dan Davison |
Subject: |
Re: [Orgmode] [org-babel] How to refer to a specific property when it is defined multiple times? |
Date: |
Fri, 26 Mar 2010 12:33:13 -0400 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/23.1 (gnu/linux) |
Julien Fantin <address@hidden> writes:
> Consider the following :
>
> * heading A
> :PROPERTIES:
> :BUSY_PROPERTY: AAA
> :END:
> * heading B
> :PROPERTIES:
> :BUSY_PROPERTY: BBB
> :END:
>
> #+begin_src emacs-lisp :var test=(org-entry-get nil "BUSY_PROPERTY" t)
> test
> #+end_src
> #+results:
> : BBB
>
> #+begin_src emacs-lisp :var test=(org-property-values "BUSY_PROPERTY")
> test
> #+end_src
> #+results:
> | BBB | AAA |
>
>
> Is there a way I can refer to my BUSY_PROPERTY, in the context of particular
> heading ?
Hi Julien,
You've probably thought of these, but the ways I can think of are
An org-babel method:
--------------------
1. place a "reporter" elisp block in the heading, e.g.
* heading A
:PROPERTIES:
:BUSY_PROPERTY: AAA
:END:
#+source: reporter-A
#+begin_src emacs-lisp :var prop=""
(org-entry-get nil prop t)
#+end_src
* heading B
:PROPERTIES:
:BUSY_PROPERTY: BBB
:END:
#+begin_src emacs-lisp :var test=reporter-A(prop="BUSY_PROPERTY")
test
#+end_src
#+results:
: AAA
Elisp methods:
--------------
I think identifying headings with CUSTOM_IDs, and usinng the org
function org-id-find could help here:
1. Expand the elisp code in the :var reference so that it moves to the
desired heading before calling org-entry-get, under the protection of
a save-excursion.
2. Put the elisp code in (1) into an elisp block
"get-property-at-heading", and use something like
:var test=get-property-at-heading(heading-id=id, prop="BUSY_PROPERTY")
Dan
> Has shown above, I can not get a reference to the heading it was defined in.
> Is there a way to deal with those namespacing conerns right now ?
>
> Note : This emacs-lisp evaluation in src headers has only been recently
> implemented by Eric schulte.
>
> cheers
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