[R] how to pass external parameters to an R script

[Ista Zahn]

Hi Maura,

See ?Rscript

-Ista

On Tue, Feb 23, 2010 at 10:45 AM,  <mauede at alice.it> wrote:
> How, if possible, can I run an R script, from command line, passing external parameters just like
> I can run a C main program passing parameters:
>
> # Cprog p1 p2 p3
>
> Cprog can access its arguments (p1,p2,p3) through the built-in structures "argv" and "argc".
> Since R is built on C language I would expect the same feature to be available with R scripts as well ... ?
> Please, notice that I do not mean to open an interactive R session, assign values to p1, p2, p3 and then
> call the R script from the same interactive session. This way I daresay that p1, p2, p3 would be known to
> the R script as global variables.
>
> Thank you very much.
> Maura
>
>
> tutti i telefonini TIM!
>
>
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>
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-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org