[R] BATCH processing in R
Prof Brian D Ripley
ripley at stats.ox.ac.uk
Wed Sep 1 21:25:13 CEST 1999
On Wed, 1 Sep 1999, Thomas Lumley wrote:
> On Wed, 1 Sep 1999, Laura Drake wrote:
> > Dear List,
> > My question is whether it is possible (and if so, how) to enter values
> > into R vectors (R_OUTFILE, and R_INFILE in my example below) from the
> > command line. In particular, I would like to run R, as a BATCH job,
> > from a shell script, such as the following:
> yes. Use getenv()
> wompom% setenv R_INFILE foobar
> R is a collaborative project with many contributors.
> Type "?contributors" for a list.
> Type "demo()" for some demos, "help()" for on-line help, or
> "help.start()" for a HTML browser interface to help.
> Type "q()" to quit R.
> > getenv("R_INFILE")
> > sink(getenv("R_INFILE"))
> etc at least under Unix (which I presume is where you are if you want to
> use a shell script)
Works under Windows too (although how you set environment variables
depends in the shell in use, as it does under Unix, in fact).
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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