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From: Nicolas Goaziou <>
To: Ezequiel Birman <>
Subject: Re: new exporter, conditional options according to backend
Date: Sat, 19 Jan 2013 23:48:29 +0100
Message-ID: <> (raw)
In-Reply-To: <> (Ezequiel Birman's message of "Fri, 18 Jan 2013 12:47:19 -0300")


Ezequiel Birman <> writes:

> Is it possible to write something like this with the new exporter?
> #+OPTIONS: (if (and (boundp 'org-export-current-backend) (eq org-export-current-backend 'e-beamer)) "H:1" "H:3")

There is no `org-export-current-backend' in the new exporter. Besides,
what you want is the default behaviour (see `org-e-beamer-frame-level'

> From what I read in org-export.el the backend is stored in a plist, not
> sure how to get it's value when exporting.
> Or, maybe I need to write a filter function to be run from
> org-export-before-process-hook?

Filters are different from hook. A function in a hook operates on an Org
buffer. A filter function operates either on a string in output syntax
or on the parse tree.

If, for some reason, you want to modify export options "on the fly", you
could create a filter function for parse tree, and modify options plist
from it:

#+begin_src emacs-lisp
(defun my-options-change-fun (tree backend info)
  (when (org-export-derived-backend-p backend 'e-beamer)
    (plist-put info :with-author nil))
  ;; Don't forget to return tree.

(add-to-list 'org-export-filter-parse-tree-functions


Nicolas Goaziou

  reply	other threads:[~2013-01-19 22:48 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-01-18 15:47 Ezequiel Birman
2013-01-19 22:48 ` Nicolas Goaziou [this message]
2013-01-20  4:38   ` Ezequiel Birman
2013-01-20  5:35   ` Jambunathan K
2013-01-20  9:28     ` Nicolas Goaziou
2013-01-20 16:22       ` Jambunathan K
2013-01-28  7:12         ` Nicolas Goaziou
2013-01-24 20:32   ` Andreas Leha
2013-01-25 13:23     ` Nicolas Goaziou
2013-01-25 17:37   ` cberry
2013-01-25 17:50     ` Nicolas Goaziou

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