Re: [Rd] install.packages question / suggestion

From: Prof Brian Ripley <ripley_at_stats.ox.ac.uk>
Date: Sat 23 Oct 2004 - 03:22:30 EST


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,                  ripley@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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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Received on Sat Oct 23 03:56:51 2004

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