Yes, I do have Rtools installed on two Windows PCs I tested, and I used them
to build R packages. I use sed all the time with no problems. Thanks for
confirming me that it works on your Windows PC. I will test it again and
will update you if I find out what's wrong in my pc.

On Sun, Mar 13, 2011 at 11:56 PM, Gabor Grothendieck <
ggrothendieck@gmail.com> wrote:

> On Sun, Mar 13, 2011 at 11:32 PM, Paul Y. Peng <pywpeng@gmail.com> wrote:
> > Many thanks to Jim Holtman and Gabor Grothendieck for your quick
> responses.
> > Jim's solution works beautifully for my tasks. Thanks. I also tried
> Gabor's
> > solution based on pipe(). Unfortunately it only works on a linux PC, not
> on
> > Windows 7/Vista. Submitting the command in Windows results in nothing. I
> > suspect that it is because pipe() function behaviors differently in the
> two
> > systems.
> >
> >
>
> You did specifically write in your post that you could use sed which
> suggests that you had it on your system.
>
> If that is not, in fact, the case you could get it from Duncan
> Murdoch's Rtools distribution:
> http://www.murdoch-sutherland.com/Rtools/
> which you would need in any case if you intend to develop R packages on
> Windows.
>
> I did run a test on my own Windows Vista system prior to posting so it
> certainly does work on Windows under the assumptions of the post.
>
> --
> Statistics & Software Consulting
> GKX Group, GKX Associates Inc.
> tel: 1-877-GKX-GROUP
> email: ggrothendieck at gmail.com
>

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