Re: org-babel - First line of file created by tangle

From: Rainer M Krug <r.m.krug@gmail.com>
To: Eric Schulte <schulte.eric@gmail.com>
Cc: emacs-orgmode <emacs-orgmode@gnu.org>
Subject: Re: org-babel - First line of file created by tangle
Date: Wed, 3 Feb 2010 21:38:18 +0200	[thread overview]
Message-ID: <fb7c7e871002031138r236e7980i5c5305804f9a5215@mail.gmail.com> (raw)
In-Reply-To: <873a1ib5f7.fsf@gmail.com>

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Hi Eric

On Wed, Feb 3, 2010 at 7:22 PM, Eric Schulte <schulte.eric@gmail.com> wrote:

> Hi Rainer,
>
> I just responded to your other email with a global solution to this
> problem.

Thanks - I'll look at it in detail tomorrow.

> Do you think this is the sort of thing that would need to be
> customized on a per-block or per-file/subtree basis?
>

Yes, I think it would be useful. An example would be if I want to create two
scripts, where one is running on my local computer, and the other on a
cluster, in which the paths might be different. Also: there is, in addition
to R, also Ra, with Just-In-Time compiling functionality. It might be useful
to be able to have two R scripts, one using R, the other Ra, for e.g.
profiling. Another example would be to try different versions of e.g. R.

So yes, I think it would be very useful to define the two additional header
arguments for each block:

:shebang NIL for default, other string for the shebang line
:headers NIL for default, NONE for no headers, other string for custom
headers

>
> If so we may want to move this customization behind a header argument.
>

That would be great

Cheers,

Rainer

>
> Thanks -- Eric
>
> Rainer M Krug <r.m.krug@gmail.com> writes:
>
> > Hi
> >
> > I am sure I can customize it, but I could not find it.
> > When tangling R code, I would like to skip (or customize) the first line
> of the resulting R file. It
> > reads "#!/usr/bin/env Rscript" and I would either like to exclude it
> completely, or replace it with
> > e.g. "## R"
> >
> > I am sourcing the files anyway from a different R session and I don't
> need to execute them directly.
> >
> > Cheers,
> >
> > Rainer
> >
> > --
> > NEW GERMAN FAX NUMBER!!!
> >
> > Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation
> Biology, UCT), Dipl. Phys.
> > (Germany)
> >
> > Centre of Excellence for Invasion Biology
> > Natural Sciences Building
> > Office Suite 2039
> > Stellenbosch University
> > Main Campus, Merriman Avenue
> > Stellenbosch
> > South Africa
> >
> > Cell:           +27 - (0)83 9479 042
> > Fax:            +27 - (0)86 516 2782
> > Fax:            +49 - (0)321 2125 2244
> > email:          Rainer@krugs.de
> >
> > Skype:          RMkrug
> > Google:         R.M.Krug@gmail.com
> >
> > _______________________________________________
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-- 
NEW GERMAN FAX NUMBER!!!

Rainer M. Krug, PhD (Conservation Ecology, SUN), MSc (Conservation Biology,
UCT), Dipl. Phys. (Germany)

Centre of Excellence for Invasion Biology
Natural Sciences Building
Office Suite 2039
Stellenbosch University
Main Campus, Merriman Avenue
Stellenbosch
South Africa

Cell:           +27 - (0)83 9479 042
Fax:            +27 - (0)86 516 2782
Fax:            +49 - (0)321 2125 2244
email:          Rainer@krugs.de

Skype:          RMkrug
Google:         R.M.Krug@gmail.com

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