From mboxrd@z Thu Jan  1 00:00:00 1970
From: Nick Dokos <ndokos@gmail.com>
Subject: Re: Generate a table of contents without exporting
Date: Tue, 01 Apr 2014 17:52:47 -0400
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Charles Berry <ccberry@ucsd.edu> writes:

> RG Williams <rgwills <at> gmail.com> writes:
>
>> 
>> Hi,
>> I know you can generate a table of contents when exporting, but can you do
>> it just within org? For context, I'm uploading an .org file to github and I
>> don't need to export it to another format because github recognizes and
>> displays it just fine. It's long so a ToC would be nice. Do I just have to
>> write it myself?
>> 
>> 
>
> AFAIK, you do have to write it yourself, but org-mode provides decent tools
> for doing it. Here is an example. Run the src-block and a table of contents
> will appear near the top. Change the content and rerun the src-block and
> the t-o-c will change accordingly.
>
> It doesn't deal with rules for omitting headlines like
> COMMENT, :noexport:, etc, but if you are simply copying the .org file,
> maybe it is good enough.
>
>
> #+RESULTS: Table_of_Contents
>
> * h
> lower H
> * i
> lower I
> * j
> lower J
> ** 1
> one
> ** 2
> two
>
> #+NAME: Table_of_Contents
> #+BEGIN_SRC emacs-lisp :wrap example
>   (mapconcat 'identity
>    (org-element-map 
>        (org-element-parse-buffer 'headline) 'headline 
>      (lambda (hl) (let
>                       ((lev
>                         (org-element-property :level hl)) 
>                        (htitle (org-element-property :title hl)))
>                     (concat (make-string  lev ? ) "- " htitle )))) "\n")
> #+END_SRC
>
>

Another more manual way: export to text and cut-and-paste the TOC into
a noexport top-level section.

Nick