>>>>> "Nicolas" == Nicolas Goaziou <n.goaz...@gmail.com> writes:
> Hello, Ezequiel Birman <stormwa...@espiga4.com.ar> 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' variable).
>> 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.
> tree)
> (add-to-list 'org-export-filter-parse-tree-functions
> 'my-options-change-fun) #+end_src
> Regards,
> -- Nicolas Goaziou
Thanks for the example and the clarificatons re filters versus hooks,
and for thinking of those sane defaults ahead too.
--
Ezequiel Birman
