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:
>
> Sys.getenv("PATH")
> 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
/sw/bin/which
>From R (Snow Leopard) on a MacPro:
> Sys.which("which")
which
"/sw/bin/which"
On a laptop running 3.1.1 in Yosemite with the Mavericks build I get instead:
Sys.which("which")
"usr/bin/which"
And from the terminal I see
/sw/bin/which
>
> This breaks Sys.which().
Not sure what "breaks" means. I'm not getting an error, and I wasn't
necessarily expecting the same result
>
> Hadley
>
--
David Winsemius
Alameda, CA, USA
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