[R-SIG-Mac] R.app path and environment variables

[Simon Urbanek]

On Aug 9, 2008, at 6:13 AM, Gad Abraham wrote:

> Hi,
>
> Where does R.app, when launched from the Dock, get its environment
> variables from, including PATH?
>

 From the launchd process (or LS in general, details depend on the  
version of OS X you use).


> I've tried setting the PATH in ~/.bash_profile and /etc/paths, but  
> when
> launched from the Dock, it doesn't get through:
>> system("echo $PATH")
> /usr/bin:/bin:/usr/sbin:/sbin:/usr/local/bin
>

That is as expected since launchd doesn't read those. You can use  
Environment.plist for processes started by LS, see
http://developer.apple.com/qa/qa2001/qa1067.html

Cheers,
Simon


> If I start R.app from Terminal using
> /Applications/R.app/Contents/MacOS/R, it does show up:
>> system("echo $PATH")
> /usr/bin:/bin:/usr/sbin:/sbin:/sw/bin:/usr/local/bin:/sw/sbin:/usr/ 
> X11/bin:/usr/local/git/bin/:/usr/local/bin
>
> I'm using R 2.7.1 on Leopard 10.5.4.
>
> Thanks,
> Gad
>
> -- 
> Gad Abraham
> Dept. CSSE and NICTA
> The University of Melbourne
> Parkville 3010, Victoria, Australia
> email: gabraham at csse.unimelb.edu.au
> web: http://www.csse.unimelb.edu.au/~gabraham
>
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