Dear R-devel,
There seems to be a bug in the Startup section, regarding the
R_PROFILE environment variable in Windows. If not a bug in the Startup
itself, perhaps a bug in the documentation.
According to ?Startup:
Then R searches for the site-wide startup profile unless the
command line option '--no-site-file' was given. The name of this
file is taken from the value of the 'R_PROFILE' environment
variable. If this variable is unset, the default is
'$R_HOME/etc/Rprofile.site'
On Windows XP, I created a batch file with the following lines:
SET R_PROFILE="C:\fernando\R.profile"
"C:\progs\R-2.2.0\bin\Rgui.exe"
On c:\fernando\R.profile I had:
options(foo='bar')
Running the batch file I created I get, in R:
> options()$foo
NULL
>Sys.getenv("R_PROFILE")
R_PROFILE
"\"c:\\fernando\\R.profile\""
I've tried using slashes instead of backslashes
(fernando/R.profile), double blackslashes (fernando\\R.profile) but it
seems there's no way to make it work.
The only way I could manage to have R read the profile was
renaming R.profile to .Rprofile and starting R on the directory the
.Rprofile was located.
Is this really the intended behaviour? If so, what's the
correct way to specify the R_PROFILE variable and have R use it on
Windows?
Ps: I've tested it on R 2.2.0 and on r-devel r36675, on Windows
XP SP2. Sorry if this is a non-bug. I'm a poor linux user trying to
survive on Windows, so I might have overloooked something.
Thank you,
--
"Though this be randomness, yet there is structure in't."
Rosa, F.H.F.P
Instituto de Matemática e Estatística
Universidade de São Paulo
Fernando Henrique Ferraz P. da Rosa
http://www.feferraz.net
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