From murdoch.duncan at gmail.com  Tue Sep 24 21:30:31 2013
From: murdoch.duncan at gmail.com (Duncan Murdoch)
Date: Tue, 24 Sep 2013 15:30:31 -0400
Subject: [Rd] Capture output of install.packages (pipe system2)
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On 13-09-24 10:37 AM, Jeroen Ooms wrote:
> On Mon, Sep 23, 2013 at 6:50 PM, Duncan Murdoch
> <murdoch.duncan at gmail.com> wrote:
>> x <- system2("Rscript", "-e \"install.packages('MASS',
>> repos='http://probability.ca/cran')\"", stdout=TRUE, stderr=TRUE)
>
> Thank you, this suggestion seems to work (although I agree that
> starting 3 procs to install a single package seems suboptimal).


For something that I only do every few weeks or months, I'd rather 
optimize the use of the programmer's time than that of the processor.  I 
get paid more per hour!

Duncan Murdoch

  One
> additional question: is it safe to assume that the "Rscript"
> executable can always be found by the R process (cross platform), or
> do I need to modify the example in case Rscript is not in the system
> search path?
>



[Rd] Capture output of install.packages (pipe system2)
Duncan Murdoch