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From: Thorsten Jolitz <tjolitz@gmail.com>
To: emacs-orgmode@gnu.org
Subject: Re: Counting number of children under heading
Date: Thu, 17 Apr 2014 14:02:46 +0200	[thread overview]
Message-ID: <87d2ggduzd.fsf@gmail.com> (raw)
In-Reply-To: 871tww444g.fsf@ericabrahamsen.net

Eric Abrahamsen <eric@ericabrahamsen.net> writes:

> I could have sworn someone posted a thing for this just a week or two
> ago, using `org-map-entries' and the identity function, and counting the
> results. 

Ups, that was me  ... forgot about it ;)

#+begin_quote
From: Martin Gross <m-gross@gmx.net>
Subject: Re: Get counting of items
Newsgroups: gmane.emacs.orgmode
To: "emacs-orgmode@gnu.org" <emacs-orgmode@gnu.org>
Date: Thu, 3 Apr 2014 10:39:18 +0200 (2 weeks, 3 hours, 19 minutes ago)

Dear Thorsten

> Here is a generalised form:
>
> #+begin_src emacs-lisp
>   (defun count-org-items (&optional level operator match scope skip)
>     "Print a counting of outline items."
>     (interactive)
>     (let ((headline-level (or level 1)) ; 1-8
>           (op (or operator '=))) ; '>= '<= '> '<
>     (save-excursion
>       (message "Counting of level%s%d outline items (match=%s, scope=%s, skip=%s): %d"
>                op headline-level match scope skip
>                (eval (append (list '+)
>                              (org-map-entries
>                               `(lambda () (if (,op (org-outline-level) ,headline-level) 1 0))
>                               match scope skip)))))))
> #+end_src
>
> usage:
>
> ,----------------------------------------
> | (count-org-items 2 '<= "WAITING" 'file)
> `----------------------------------------
>
> result:
>
> ,------------------------------------------------------------------------------
> | "Counting of level<=2 outline items (match=WAITING, scope=file,
> | skip=nil): 3"
> `------------------------------------------------------------------------------
>
> see C-h f org-map-entries for more info, its very powerfull. Use it
> with M-: (count-org-items ...) or write a more sophisticated
> (interactive) spec.
#+end_quote

-- 
cheers,
Thorsten

  reply	other threads:[~2014-04-17 12:01 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-04-17  9:15 Counting number of children under heading Marvin Doyley
2014-04-17  9:21 ` Bastien
2014-04-17  9:42   ` Thorsten Jolitz
2014-04-18 13:54   ` Sebastien Vauban
2014-04-18 14:50     ` Sacha Chua
2014-04-20 17:28       ` Sebastien Vauban
2014-04-21  2:55         ` Sacha Chua
2014-04-17 10:55 ` Eric Abrahamsen
2014-04-17 12:02   ` Thorsten Jolitz [this message]
2014-04-17 13:10     ` Eric Abrahamsen
2014-04-17 13:44 Marvin Doyley
2014-04-17 14:43 ` Thorsten Jolitz
2014-04-17 16:21 Doyley, Marvin M.

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