[R] run R under DOS prompt

[Yu-Ling Wu]

Thanks! This is helpful!

Another question. When I type "Rterm --slave < xxx.R"
under DOS prompt,
the output also shows on the screen. How to write the
output to a .txt file instead
of showing them on the screen?

Thanks,
Yu-Ling Wu

--- Duncan Murdoch <dmurdoch at pair.com> wrote:
> On Tue, 13 Feb 2001 15:27:22 -0800 (PST), you wrote:
> 
> >Hi,
> >
> >I have a xxx.R file. In order to run this file, I
> have
> >to go to R, and type -- source("xxx.R").
> >
> >Two questions:
> >1. How to run file xxx.R under DOS prompt instead
> of
> >entering R environment?
> 
> Try 
> 
>  Rterm --slave <xxx.R
> 
> Look in the R-intro manual for options other than
> --slave that you
> might want to use.
> 
> >2. There are several functions in file xxx.R, how
> to
> >pass the arguments
> >to the function when I try to run this file via
> >source() function (or under DOS mode)?
> 
> You can't, but you can add extra lines to the file
> with calls
> containing the arguments.  For example, you might
> have
> 
>  myfunc <- function(x)
>  { 
> 	print(x)
>  }
> 
> in xxx.R.  If you want to call myfunc(34), then
> first source the file,
> then execute myfunc(34).  If doing it in batch mode,
> copy the file to
> a temp file, add the line "myfunc(34)" to the end,
> and execute the
> temp file.
> 
> Duncan Murdoch
> 


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