[R] internet2 and proxies

[Prof Brian Ripley]

On Mon, 7 Jan 2002, Strumila, John wrote:

> gday R gurus,
>
> I've never attempted to use download.file before on my win2k machine but
> this version 1.4 looks exciting.  However, I'm not getting something right.

Actually, it's unchanged for a while.

> I've passed my R shortcut --internet2 and I can tell it's using the wininet
> calls because it's asking about authentication but how do I tell it my
> username/password?
>
> The help file only talks about user/pw for non wininet and I've searched
> cran.  I thought wininet should prompt me via a dialog box.  I'm running
> ie5.

You thought wrong: that's not what it is documented (by Microsoft) to do.
Where did that idea come from?

>From the same help file (download.file.Rd)

  There is an alternative method if you have Internet Explorer 4 or
  later installed.   You can use the flag \code{--internet2}, when
  the `Internet Options' of the system are used to choose proxies and so
  on; these are set in the Control Panel and are those used for Internet
  Explorer.  This version does not support \code{cacheOK = FALSE}.

Clear enough?  This worked for people under 1.3.1, and we've had not
contrary reports for 1.4.0.

-- 
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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