[Rd] directory structure of R 2.12.0 distribution

Gabor Grothendieck ggrothendieck at gmail.com
Wed Dec 8 17:32:50 CET 2010

I am just revising my batch files which call R and have a question
regarding the directory structure of the R distribution in R 2.12.0.

Prior to R 2.12.0 the R executables were in R_HOME\bin but now are in
R_HOME\bin\i386 on my machine.  I assume that there is a different
subdirectory of bin on 64 bit machines.   Is that right?

Is it always the case that there is exactly one subdirectory of bin
and that the R executables are there?

Or is it possible that there are more than one subdirectory in bin?
If more than one is possible how do we know which one is the one to

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