[Rd] problem with pipes (PR#5053)

[Thomas Lumley]

On Wed, 12 Nov 2003 ggrothendieck at myway.com wrote:
>
> 3. Usually I get the above but sometimes I get no output from readLines at
> all.
>

This last problem may be the same as PR#1140 on the Mac, where popen()
calls sometimes got killed by an interrupt.

	-thomas