[R] how to print error message in batch mode

Achim Zeileis Achim.Zeileis at wu-wien.ac.at
Thu Apr 7 12:53:16 CEST 2005


On Thu, 07 Apr 2005 12:45:16 +0200 Elio Mineo wrote:

> Dear list,
> I am using R in batch mode:
> 
> $ R -q --no-save < prova > output
> 
> the input file "prova" has these commands:
> 
> data(USArrests)
> x<-USArrests
> hist(x)
> 
> of course, the command hist(x) produces an error. The error message
> is: Error in hist.default(x) : `x' must be numeric.
> Is there the possibility to save this error massage in the "output"
> file?

You could do something like
  $ R -q --no-save < prova > prova.out 2> prova.err
Best,
Z


> Thanks in advance,
> Angelo
> 
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