[ESS] How to avoid search for versions of R

Vitalie Spinu spinuvit at gmail.com
Fri Apr 20 13:59:18 CEST 2012

>>>> Heinz Tuechler <tuechler at gmx.at>
>>>> on Fri, 20 Apr 2012 11:44:03 +0100 wrote:

  > Dear Vitalie,

  > thank you for your response. I cannot say for sure that it is slow, but I
  > changed from emacs 21.3 to emacs 23.3 and at the same time from ess 5.3.3 to ess
  > 12.04.

Hmm ... this is indeed quite a big jump.

  > Together, it seems to me much slower than before.
  > In ess-r-d.el I read

  > Set this variable to nil to disable searching for other versions of R.
  > If you set this variable, you need to restart Emacs (and set this variable
  > before ess-site is loaded) for it to take effect.")

  > I thought that this should prevent the search, but don't know, if I should set
  > ess-r-versions or ess-uniq-list or some other variable to nil. What I tried in
  > .emacs did not have any effect.

I see. This is the doc of `ess-r-versions'. After a cursory look of the
code, I didn't really understand it -- too many things are created over
there. But I can see that the variable ess-r-versions doesn't have much
effect on the whole process. So it looks to me like a bug, or a mistake
in the documentation. 

I also don't think ESS start-up is noticeably slow. For me it's
virtually instantious. And I load it from source, though on Linux. May
be it's something else what is going on over there.


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