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From: Nicolas Goaziou <n.goaziou@gmail.com>
To: Eric Abrahamsen <eric@ericabrahamsen.net>
Cc: emacs-orgmode@gnu.org
Subject: Re: Using org-map-entries with org-export-before-processing-hook
Date: Wed, 06 Mar 2013 11:13:47 +0100	[thread overview]
Message-ID: <87boaw25us.fsf@gmail.com> (raw)
In-Reply-To: <871ubt8awv.fsf@ericabrahamsen.net> (Eric Abrahamsen's message of "Wed, 06 Mar 2013 11:28:00 +0800")

Hello,

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> I've attached a minimum org file that shows what I'm trying to do:
> essentially to attach a hook to the export process that ends up calling
> org-map-entries to make alterations to the file just before it's
> exported.
>
> As I've got it now, the hook does change the org buffer, but those
> changes are *not* reflected in the exported output. I can only guess
> that somehow the export process is able to continue on before the
> org-map-entries results are returned? Doesn't seem likely, but...
>
> This is actually kind of the opposite of what I'd like: to have the
> changes *only* reflected in the export, and leave the original buffer
> unchanged. On the other hand, I can see what thought and care has gone
> into setting up a clone buffer for export (and I do need to rely on
> buffer-local variables), so maybe an (undo) is my best solution for
> returning the buffer to its pre-export state.
>
> But I would like the changes to show up in the exported file!

The problem is not directly related to the export framework, but to its
relationship with `org-map-entries'.

If you use the following function:

  (defun before-export-test (backend)
    ;; (org-map-entries 'test-map "TODO=\"TODO\"" 'file)
    (while (re-search-forward "^\\*+ TODO" nil t)
      (test-map)))

it should work.

I don't know why `org-map-entries' behaves badly with export. Meanwhile,
I suggest to not use this function for export hooks.


Regards,

-- 
Nicolas Goaziou

  reply	other threads:[~2013-03-06 10:14 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-06  3:28 Using org-map-entries with org-export-before-processing-hook Eric Abrahamsen
2013-03-06 10:13 ` Nicolas Goaziou [this message]
2013-03-06 10:29   ` Eric Abrahamsen
2013-03-06 13:29     ` Nicolas Goaziou
2013-03-07  0:44       ` Eric Abrahamsen

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