Re: org-babel-tangle-w-comments has no effect in R?

[Rainer M Krug <r.m.krug@gmail.com>]

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On Thu, Jul 1, 2010 at 5:41 PM, Eric Schulte <schulte.eric@gmail.com> wrote:

> Hi Rainer,
>

Hi Eric


>
> There is one more requirement for tangling with comments, that is the
> presence of a :comments header argument.  If this argument is not set
> for a code block then that code block *will not* be tangled with
> comments regardless of the value of `org-babel-tangle-w-comments'.
>

That explains.


>
> You can set this variable to default to true for R code blocks with the
> following
>
>  (add-to-list 'org-babel-default-header-args:R '(:comments . "yes"))
>

OK - it is working.
What I actually did, was to add

   #+BABEL: :comments yes

to the headers of the file, so I can control it on a file basis.


> Hope this helps.
>

Definitely.


>
> I think that moving forward it might make sense to remove the
> org-babel-tangle-w-comments variable, as it's confusing to have two
> points of control for comments during tangling.  Also, it looks like I
> need to add the :comments header argument to the babel documentation.
>

Both points agreed.

In addition: is it possible to customize the format for all comments (on a
per file basis and / or a per block basis)? i.e. I don't need the file name,
as all blocks are coming from one file. I know about

  #+srcname: <name>

but is there a variable for the line number (I guess that is covered by the
request posted in another thread) one could use?

Also, would it be possible to include a link in the comment block, so that
clicking on that link actually opens the org-file file at the location of
the source block? That would make editing the code really easy.

Thanks for helping to sort some of these issues out!
>

Pleasure - I use them and I profit when they are sorted out. In addition: I
think org-mode and babel deserve it - they are great tools for programming
in R.

Cheers,

Rainer



>
> Best -- Eric
>
> Rainer M Krug <r.m.krug@gmail.com> writes:
>
> > Hi
> >
> > I am trying to use "tangle with comments". Based on a previous thread, I
> > set org-babel-tangle-w-comments to t with
> >  (setq org-babel-tangle-w-comments t)
> > in my emacs.org file.
> >
> > The variable is actually set to 1 - I checked vie C-h - v
> >
> > But nothing is changing in the tangled file? Am I doing something wrong?
> Or
> > are comments not supported in R in org-babel?
> >
> > I attach a small testfile.
> >
> > Cheers,
> >
> > Rainer
>



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