[R] reading file names for R batch process

Sven Garbade garbade at psy.uni-muenchen.de
Thu Dec 6 17:53:46 CET 2001


Thomas Lumley wrote:
> 
> On Thu, 6 Dec 2001, Sven Garbade wrote:
> 
> > Prof Brian D Ripley wrote:
> > >
> > > On Thu, 6 Dec 2001, Sven Garbade wrote:
> > >
> > > > Hi all,
> > > >
> > > > I've written a function that takes several filenames as arguments, does
> > > > some calculations and write new files. Now I want to write a shell
> > > > script (under Linux) that determines the files for the R process and
> > > > starts R with the filenames as arguments. But how can I commit the
> > > > filenames to the R process?
> > >
> > > via enviroment variables, most easily.
> > >
> > > Read by Sys.getenv.
> >
> > Ah, this is very easy and works! Thanks, Sven
> 
> I believe you could also use the commandArgs() function.

I've tried this before I wrote to the list. It didn't work for me, but
maybe I've missed something: R CMD BATCH *.data myfunc.R, but
commandArgs() listed only the R command line switches.

By, Sven
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