Re: [O] How to compute the number of headlines under the given headline?

[John Kitchin]

Nice and compact!

John

-----------------------------------
Professor John Kitchin 
Doherty Hall A207F
Department of Chemical Engineering
Carnegie Mellon University
Pittsburgh, PA 15213
412-268-7803

@johnkitchin
http://kitchingroup.cheme.cmu.edu

On Sat, Jan 31, 2015 at 12:47 PM, Nicolas Goaziou <address@hidden> wrote:

Hello,

John Kitchin <address@hidden> 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