On Wed, 20 May 2009, Martin Morgan wrote:

A post on the Bioconductor mailing list

 https://stat.ethz.ch/pipermail/bioconductor/2009-May/027700.html

suggests that install.packages now references .Rprofile (?), whereas
in R-2-8 it did not. Is this intentional?

Yes. And in fact it did in earlier versions, to find the default library into which to install.


The example is, in .Rprofile

 library(utils)
 install.packages("Biobase",
                  repos="http://bioconductor.org/packages/2.4/bioc";)

then starting R from the command line results in repeated downloads
of Biobase

mtmor...@mm:~/tmp> R --quiet
trying URL
'http://bioconductor.org/packages/2.4/bioc/src/contrib/Biobase_2.4.1.tar.gz'
Content type 'application/x-gzip' length 1973533 bytes (1.9 Mb)
opened URL
==================================================
downloaded 1.9 Mb

trying URL
'http://bioconductor.org/packages/2.4/bioc/src/contrib/Biobase_2.4.1.tar.gz'
Content type 'application/x-gzip' length 1973533 bytes (1.9 Mb)
opened URL
==================================================
downloaded 1.9 Mb

^C
Execution halted

sessionInfo()
R version 2.9.0 Patched (2009-05-20 r48588)
x86_64-unknown-linux-gnu

locale:
LC_CTYPE=en_US.UTF-8;LC_NUMERIC=C;LC_TIME=en_US.UTF-8;LC_COLLATE=en_US.UTF-8;LC_MONETARY=C;LC_MESSAGES=en_US.UTF-8;LC_PAPER=en_US.UTF-8;LC_NAME=C;LC_ADDRESS=C;LC_TELEPHONE=C;LC_MEASUREMENT=en_US.UTF-8;LC_IDENTIFICATION=C

attached base packages:
[1] stats     graphics  grDevices utils     datasets  methods   base

Martin
--
Martin Morgan
Computational Biology / Fred Hutchinson Cancer Research Center
1100 Fairview Ave. N.
PO Box 19024 Seattle, WA 98109

Location: Arnold Building M1 B861
Phone: (206) 667-2793

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--
Brian D. Ripley,                  rip...@stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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