[ESS] How to avoid search for versions of R

Heinz Tuechler tuechler at gmx.at
Fri Apr 20 16:12:35 CEST 2012

Dear Vitalie,

you are right, I think. I changed back to ess 5.3.3 and it made no 
noticable difference.

best thanks,


At 20.04.2012 13:59 +0200, Vitalie Spinu wrote:
> >>>> 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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