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

[ripley@stats.ox.ac.uk]

On Mon, 24 Jun 2002, Liaw, Andy wrote:

> Can I vote to have this added to rw-FAQ?  A colleague and I both ran into
> this problem recently.  It makes sense when you realized what happened, but
> the cause was not immediately obvious given the symptoms.

Already done (in R-devel) *and* install.packages() checks and gives you an
informative warning message.

Strange that it has only emerged as a problem recently.  It might be that
the old unzip.dll-based unpacking just failed without warning.

>
> Regards,
> Andy
>
> > -----Original Message-----
> > From: ripley at stats.ox.ac.uk [mailto:ripley at stats.ox.ac.uk]
> > Sent: Monday, June 24, 2002 10:02 AM
> > To: Kenneth Cabrera
> > Cc: r-help at stat.math.ethz.ch
> > Subject: Re: [R] An "update.packages()" problem?
> >
> >
> > On Mon, 24 Jun 2002, Kenneth Cabrera wrote:
> >
> > >
> > > I try to use "update.packages()" and it works fine, at least the
> > > packages download right.
> > > But when the packages are done it appears this message:
> > >
> > > Error in zip.unpack(pkg, lib) : cannot open file
> > > C:/rw1051/library/MASS/libs/MASS.dll
> > >
> > > What am Idoing wrong? (Yesterday it works fine!!!)
> >
> > You have MASS loaded: Windows will not allow you to update
> > packages which
> > are in use (at least, those containing DLLs).  Try a vanilla session
> > (with --vanilla, for example) and update from there.
> >
> > >
> > > platform i386-pc-mingw32
> > > arch     i386
> > > os       mingw32
> > > system   i386, mingw32
> > > status
> > > major    1
> > > minor    5.1
> > > year     2002
> > > month    06
> > > day      17
> > > language R
> > >
> > >
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> > --
> > 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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-- 
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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