[R] Variable

[David Winsemius]

> On Nov 24, 2016, at 8:50 PM, Val <valkremk at gmail.com> wrote:
> 
> Hi all,
> 
> I am trying to get shell variable(s) into my R script  in Linux . How
> do I get them?
> 
> my shell script is
> t1.sh
> #!bin/bash
>       Name=Alex; export Name
>       Age=25; export Age
> 
> 
> How do get the Name and Age variables in my R script?
> 
> My R script is
> 
> test.R
> print " Your Name is $Name and  you are $Age  years old"

You might want to look at `?system` and `?Sys.getenv`. Do note that for an R function the arguments need to be flanked by parentheses.

> 
> My another shell script that call the R script is
> 
> test.sh
>         #!bin/bash
>         source  t1.sh
>         Rscript test.R
> So by running this script  ./test.sh
> 
> I want get:  Your Name is Alex and  you are 25  years old
> 
> I can define those variables in R  but that is not my intention.


David Winsemius
Alameda, CA, USA