From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nicolas Goaziou <mail@nicolasgoaziou.fr>
Subject: Re: How to compute the number of headlines under the given headline?
Date: Sat, 31 Jan 2015 18:47:17 +0100
Message-ID: <87mw4yona2.fsf@nicolasgoaziou.fr>
References: <87d25vqfqt.fsf@wmi.amu.edu.pl> <m2egqb2ez5.fsf@andrew.cmu.edu>
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In-Reply-To: <m2egqb2ez5.fsf@andrew.cmu.edu> (John Kitchin's message of "Sat,
	31 Jan 2015 09:37:34 -0500")
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To: John Kitchin <jkitchin@andrew.cmu.edu>
Cc: Org-Mode mailing list <emacs-orgmode@gnu.org>, Marcin Borkowski <mbork@wmi.amu.edu.pl>

Hello,

John Kitchin <jkitchin@andrew.cmu.edu> writes:

> What about:
>
> * Count headlines in current level
>
>
> #+BEGIN_SRC emacs-lisp
> (save-restriction
>   (org-narrow-to-subtree)
>   (1- (length
>    (org-element-map
>        (org-element-parse-buffer)
>        'headline
>      (lambda (x) 1)))))
> #+END_SRC
>
> #+RESULTS:
> : 5
>
> ** one
> ** two
> *** three
> **** four
> ** five
>
>
> This counts the headline you are in, so I subtract one from the total
> count.

Note that, in this case, 

  (org-element-parse-buffer 'headline)

is much more efficient.


Regards,

-- 
Nicolas Goaziou