[R] http proxies: setting and unsetting

Gabor Grothendieck ggrothendieck at gmail.com
Wed May 30 08:10:16 CEST 2007

One other point.  If you find you need to set a system or user environment
variable then microsoft has a free tool called setx.exe that you can find here:


You can do this from within R using system().

On 5/30/07, Gabor Grothendieck <ggrothendieck at gmail.com> wrote:
> On 5/29/07, matt.pettis at thomson.com <matt.pettis at thomson.com> wrote:
> > OK, I think I get that... do you know which namespace the Sys.setenv() function affects?  Do you know if there are functions in R that can alter the user/system/process environment variables?
> >
> Use the R Sys.getenv() command to get the process environment variables.
> To get user and system environment variables, from the Desktop right click on
> My Computer and choose Properties.  Then choose the Advanced tab
> and click on the Environment Variables button near the bottom of the
> window that appears.

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