installing tree pkg on linux

I am having trouble installing the tree package on linux.
I followed all the steps in section 5.2 of the FAQ

http://www.ci.tuwien.ac.at/~hornik/R/R-FAQ.html#How%20can%20add-on%20packages%20be%20installed%3f

In particular, I typed 'R CMD INSTALL -l /home/cs/murphyk/R
tree_1.0-2.tar.gz'. This created the files 'LibIndex', 'R.css' and a
subdirectory called 'tree'.

I then created a ~/.Renviron file with the line
'R_LIBS="/home/cs/murphyk/R"'.

The double quotes are the problem. R was looking in the directory
"/home/cs/murphyk/R"
not in
/home/cs/murphyk/R

This seems to be a bug in the FAQ.

Incidentally, Linux is, of course, infinitely superior in every way to any
other operating system :^), but installing precompiled binaries
under Windows is completely painless.  Both tree and rpart (which is now
a `recommended' part of the R distribution) are available as binaries.


	-thomas

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