[R] An "update.packages()" problem?

ripley@stats.ox.ac.uk ripley at stats.ox.ac.uk
Tue Jun 25 09:05:20 CEST 2002

On Mon, 24 Jun 2002, Marc Feldesman wrote:

> It isn't consistent across Windows platforms.  I first encountered it on
> Windows XP Pro in 1.5.1.  However, I just updated one of my Windows 2000
> (SP2) boxes to 1.5.1.  After updating to 1.5.1 and moving my .RData and
> Rprofile files to the newer version, I proceeded to run an
> update.packages() with MASS, rpart, and cluster loaded from a .First()
> function.  All packages updated without difficulty.  A quick check of
> installed.packages reveals that I now have the current versions of all
> packages.
> I'm not really certain what the issue is.  It doesn't consistently
> occur.  When it does, running with the --vanilla switch does allow the
> updates to take place.

The current issue is that Windows should not be able to overwrite a DLL
which is in use.  This is happening completely consistently for me on
Windows XP and on my sole remaining 2000 box, on 1.5.0 and 1.5.1.

I would check that the DLLs did actually get updated (look at the version
tab on the properties dialog box, then `File version').

Unfortunately the problem may result in partial updating, so if it
happens, re-install the packages (and don't just run update again).

As I said yesterday, the next release will not allow installing/updating
of packages which are in use.

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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