On Jul 17, 2009, at 4:44 AM, xin liu wrote:
>
> Hi, All,
>
> Many thanks for letting me know there is no references and  
> dereferencing in R, but I saw a library called (ref) on cran, but  
> when I use library(ref), I was told there is no such library in R.
An error from that function may indicate that you have not yet  
installed the package on you machine. I do see that it is available on  
CRAN
>
> So if I can not passing an array from  a perl script to a R script  
> by its reference, how to pass it by argument?
Whether it provides that facility, I cannot tell you. The  
documentation for the ref function in the ref package indicates that  
the package is old and not well thought of and  suggests alternatives.  
Have you looked at?
http://www.omegahat.org/RSPerl/
>
> Thanks!
>
> Xin
David Winsemius, MD
Heritage Laboratories
West Hartford, CT