[R] how can I write code to detect whether the machine is Windows or Linux?

[Gabor Grothendieck]

Ryacas is one package that checks this.  Look at this file:

http://ryacas.googlecode.com/svn/trunk/R/yacasInstall.R

On Wed, Jul 23, 2008 at 5:53 PM, Philip James Smith
<philipsmith at alumni.albany.edu> wrote:
> Hi R-People:
>
> I use 2 machines: a machine with a Windows XP operating system, and another
> with a Linux Ubuntu OS. I transport my code between these 2 machines.
> However, pathnames to data files always need to be "adjusted" to account for
> the OS that I'm working on.
>
> Here is my question:
>
> How do I write code to detect whether I'm using the XP or the Linux machine?
>
> If I knew this, I could write my code in a way so that I didn't have to
> adjust path names to data file all the time.
>
> I checked the archives... didn't find anything, but perhaps didn't know the
> right search terms...
>
> Thanks for your help, R-community! Please respond to:
> philipsmith at alumni.albany.edu
>
> Best regards,
> Phil Smith
> Duluth, GA
>
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