[ESS] Is this useful for discriminating Sweave vs knitr docs?
m@ech|er @end|ng |rom |ynne@@t@t@m@th@ethz@ch
Tue Apr 7 11:45:04 CEST 2015
>>>>> Stephen Eglen <S.J.Eglen using damtp.cam.ac.uk>
>>>>> on Mon, 6 Apr 2015 22:50:19 +0100 writes:
> Rstudio use a simple comment like:
> % !Rnw weave = knitr
> to ensure that Rstudio knows the current .Rnw file should be processed
> with knitr (rather than Sweave). Would that be useful for ESS to adopt?
On one hand, ESS is very much customizable nicely using Emacs'
custom(ize) interfaces, we already have a user customizable
variable for this: ess-swv-processor
.. The emacs way to set this for specific files would of course
be to use "file variables"
with the well known short syntax
-*- mode: MODENAME; VAR: VALUE; ... -*-
(and a longer multi-line syntax, starting with a line
.. Local Variables: ..
and ending with
.. End: ..)
OTOH, Rstudio very much less configurable and so they need to
such comment based configuration.
Of course, ideally they would use the -*- .... syntax and our
variable names, so Emacs+ESS would automatically do "The right
but that's too late now, and I think it would be good for
cooperation to support some such settings ...
ideally in emacs basically via the same emacs "engine" that
drives the file variables.
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