[R] update.packages with proxy?

Prof Brian Ripley ripley at stats.ox.ac.uk
Sat Sep 1 10:18:40 CEST 2001

On Sat, 1 Sep 2001, Philippe Grosjean wrote:

> You don't tell which system you are running on. But if it is Windows, it is
> possible to use update.package() through a proxy with the following
> modifications:
> - Go to the subdirectory 'modules'. You will find there 'internet.dll' and
> 'internet2.dll'.
> - Rename 'internet.dll' whatever you want. For instance 'internet.old'
> - Rename 'internet2.dll' to 'internet.dll'
> Now, R will use the same configuration as Internet Explorer does. If you can
> access the web via Internet Explorer through a proxy, i.e., if you correctly
> configure it, then, it should now be the same for R.
> If I understand, primary 'internet.dll' is more reliable but it bypass
> internet access configuration of IE. 'internet2.dll' is provided as an
> alternative in cases where 'internet.dll' fails, like an access through a
> proxy.

internet.dll also works through a proxy.  Why it fails on some Windows
systems is unknown: we have been unable to reproduce the problem.  Now
1.3.1 is released, the documentation shows how to set proxies for each.
(Binaries for 1.3.1 are not yet on CRAN.)

Brian D. Ripley,                  ripley at 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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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