From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <n.goaziou@gmail.com>
Subject: Re: [Exporter] Export of property drawers
Date: Thu, 09 May 2013 20:13:05 +0200
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In-Reply-To: <87r4hgxfrx.fsf@gmail.com> (Alexander Baier's message of "Thu, 09
	May 2013 18:46:26 +0200")
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To: Alexander Baier <lexi.baier@gmail.com>
Cc: emacs-orgmode@gnu.org

Hello,

Alexander Baier <lexi.baier@gmail.com> writes:

> i want to export property drawers of an org-file to ASCII.  How do I do
> this?  I got the impression, that the exporter does not touch the
> properties drawers.  So I started to fiddle with the exporter but got no
> satisfying results out of it.

You can either define a new back-end, as you did, or defadvice the
current one.
>
> This is what i tried so far:
>
> The elisp i wrote in this process:
> ===============================================================================
> (defun org-tut-ascii-translater-property-drawer (drawer backend info)
>   (let ((prop (org-element-property :properties drawer)))
>     (format "%S" prop))) ;; i just wanted to see, if anything arrives
> here

There is no `:properties' attribute for property drawers. Also you are
mixing translators and filters: arguments for translators are ELEMENT
CONTENTS INFO. Use, for example:

 (defun my-ascii-property-drawer (drawer contents info)
   contents)


> (org-export-define-derived-backend 'my-ascii 'ascii
>   :translate-alist '((template .
>                       org-tut-ascii-translater-property-drawer)))

Replace `template' with `property-drawer'. You also need to define
a translator for `node-property' elements, e.g.,

  (defun my-ascii-node-property (node-prop contents info)
    (concat (org-element-property :key node-prop)
            ": "
            (org-element-property :value node-prop)))

and

  (org-export-define-derived-backend 'my-ascii 'ascii
    :translate-alist '((property-drawer . my-ascii-property-drawer)
                       (node-property . my-ascii-node-property)))


Regards,

-- 
Nicolas Goaziou