On Fri, 22 Oct 2004, Prof Brian Ripley wrote:
> On Fri, 22 Oct 2004, Thomas Stabla wrote:
>
> > when trying to write an R-file, which automatically installs and updates a
> > given list of packages,
>
> Many of us already have scripts of that sort.
>
> > I had two problems with install.packages()
> >
> > 1) install.packages("<package>") will install <package>, no matter if
> > <package> has already been installed.
> > 2) the readline() at the end of install.packages, which asks the user, if
> > the downloaded files should be deleted, makes it difficult to
> > delete packages automatically after installation (I must admit, I'm not
> > quite familiar with R CMD BATCH)
> >
> >
> > Question/Request:
> > Is the behaviour in 1) intended?
>
> Most definitely. I might want to install it in another library, or to
> reinstall it under the current version of R. It is very easy to tailor
> the input to meet your needs, as update.packages() does.
>
> There is install.packages() to help you here.
oops, installed.packages().
--
Brian D. Ripley, [EMAIL PROTECTED]
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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