From mboxrd@z Thu Jan  1 00:00:00 1970
From: tsd@tsdye.com (Thomas S. Dye)
Subject: Re: How to identify all headings that won't be exported?
Date: Thu, 26 Jun 2014 14:40:01 -1000
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To: Org-mode <emacs-orgmode@gnu.org>

Aloha all,

Answering myself ...

tsd@tsdye.com (Thomas S. Dye) writes:

> Is there a practical way to identify descendants for my use
> case? 
>
>   (defun tsd-get-names-labels-and-headings ()
>     (interactive)
>     (save-excursion
>       (goto-char (point-min))
>       (let ((matches))
>         (while
>             (re-search-forward "\\#\\+\\(name\\|label\\):\\s-\\(.*\\)" (point-max) t)
>           (add-to-list 'matches (match-string-no-properties 2) t))
>         (dolist (heading (org-map-entries 'org-heading-components))
>           (when (and (nth 4 heading) (not (search "noexport"(nth 5 heading))))
>             (add-to-list 'matches (nth 4 heading))))
>         (dolist (properties (org-map-entries 'org-entry-properties))
>           (when (cdr (assoc "CUSTOM_ID" properties))
>             (add-to-list 'matches
>                          (format "#%s" (cdr (assoc "CUSTOM_ID" properties))))))
>         (sort matches 'string<))))

Yes, use the MATCH argument to org-map-entries.

Many thanks to Jonathan Leech-Pepin for pointing this out to me off
list.

All the best,
Tom

-- 
Thomas S. Dye
http://www.tsdye.com