Re: [Rd] RFC install.packages() changes

From: Kjetil Brinchmann Halvorsen <kjetil_at_acelerate.com>
Date: Mon 08 Nov 2004 - 05:52:59 EST

Prof Brian Ripley wrote:

>install/update.packages() in R-devel has been enhanced in a few ways,
>notably to handle multiple repositories, and to allow packages to be
>reinstalled under the current version of R.
>
>1) Currently they will ask if you want to delete the downloaded files (if
>any) *provided* destdir was not specified. In that case it uses a
>subdirectory of the per-session temporary directory, so the files will be
>deleted at the end of the R session anyway.
>
>We had a request to make the questioning optional. I propose to remove it
>altogether, and either
>
>a) delete the downloaded files at the end of install.packages or
>b) leave them in the per-session directory to be deleted at the end of the
>session.
>
>that is to force answer 'y' or 'n' respectively. Does anyone see any
>problems with a)?
>
>
>
I would prefer b), as I am downloading from the Rgui menu and then moves downloaded packages
to a c:\download... area which I use to burn CD-roms I distribute to many people. If a) is choosen I guess
I could learn to use it from the command line, though. What is the problem with b)?

Kjetil

>2) ?packageStatus says
>
> Summarize information about installed packages and packages
> available at various repositories, and automatically upgrade
> outdated packages. These tools will replace 'update.packages' and
> friends in the future and are currently work in progress.
>
>but `progress' seems to have been at a halt for a long time. The one
>feature I use it for is finding non-installed packages, and we could
>easily add a function non_installed.packages() and an option to
>install.packages() to add (selectively) uninstalled packages (and a stop
>list might be useful, so you do not get repeatedly asked about packages
>which fail).
>
>Do people use it, and if so for what purposes and what improvements would
>they like? (I am thinking of, e.g, ways to extract parts of the output.)
>
>
>

-- 

Kjetil Halvorsen.

Peace is the most effective weapon of mass construction.
               --  Mahdi Elmandjra

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Received on Mon Nov 08 07:11:41 2004

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