[R-SIG-Mac] Yosemite and R
dwinsemius at comcast.net
Mon Oct 20 23:01:17 CEST 2014
On Oct 20, 2014, at 8:21 AM, Hadley Wickham wrote:
>> I have been running Yosemite for quite a while and didn't see any issues so far. Given how little changed in Yosemite I don't expect any changes to the Mavericks build at this point (i.e. Mavericks will remain the base target for all recent OS X builds).
> At RStudio, we've seen one problem - the PATH is not passed along to
> sub-processes, e.g. these two functions return different values:
> system("echo $PATH")
I seem to remember discussions on R-SIG-Mac that system("echo $PATH") gets passed to the bash environment which is not the same as the R environment. It is expected that the $PATH variable is different in the two environments.
From terminal window in Mac 10.7.5 (Lion):
david-winsemiuss-mac-pro:~ davidwinsemius$ /usr/bin/which which
From R (Snow Leopard) on a MacPro:
On a laptop running 3.1.1 in Yosemite with the Mavericks build I get instead:
And from the terminal I see
> This breaks Sys.which().
Not sure what "breaks" means. I'm not getting an error, and I wasn't necessarily expecting the same result
Alameda, CA, USA
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