Re: [R] http proxies: setting and unsetting

From: <>
Date: Wed, 30 May 2007 10:50:50 -0500

Thanks... I'll give it a whirl...


-----Original Message-----
From: Gabor Grothendieck [] Sent: Wednesday, May 30, 2007 10:22 AM
To: Pettis, Matthew (Thomson)
Subject: Re: [R] http proxies: setting and unsetting

There is also a free program setenv.exe which is more powerful than setx.exe.
You mentioned that deleting http_proxy from your environment through the OS would fix your problem. setenv.exe can both set and delete environment variables and you can specify user, system, etc. See description and link here:

Grothendieck <> wrote:
> 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 <> wrote:
> > On 5/29/07, <> 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
> > 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.
> >
> mailing list PLEASE do read the posting guide and provide commented, minimal, self-contained, reproducible code. Received on Wed 30 May 2007 - 16:04:48 GMT

Archive maintained by Robert King, hosted by the discipline of statistics at the University of Newcastle, Australia.
Archive generated by hypermail 2.2.0, at Wed 30 May 2007 - 16:31:08 GMT.

Mailing list information is available at Please read the posting guide before posting to the list.