From: John Kitchin <jkitchin@andrew.cmu.edu>
To: John Kitchin <jkitchin@andrew.cmu.edu>,
Marcin Borkowski <mbork@wmi.amu.edu.pl>,
Org-Mode mailing list <emacs-orgmode@gnu.org>
Subject: Re: How to compute the number of headlines under the given headline?
Date: Sun, 1 Feb 2015 15:44:46 -0500 [thread overview]
Message-ID: <CAJ51ETrm8TskZTbD_-K87VXReDC7pChGUd8A91ydB+w6-RGhaA@mail.gmail.com> (raw)
In-Reply-To: <87mw4yona2.fsf@nicolasgoaziou.fr>
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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 <mail@nicolasgoaziou.fr>
wrote:
> 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
>
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prev parent reply other threads:[~2015-02-01 20:44 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-31 12:47 How to compute the number of headlines under the given headline? Marcin Borkowski
2015-01-31 14:37 ` John Kitchin
2015-01-31 17:47 ` Nicolas Goaziou
2015-02-01 20:44 ` John Kitchin [this message]
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