[R] Pipe /shell - R does not wait

[Duncan Murdoch]

robbert blonk wrote:
> Sorry, forgot to included the information.
>
> Working in Windows (although a try on linux gave the same problems)
> R 2.10.0
>
> Do you suggest to update a newer version of R?
>
>   

I don't think there were any changes to the system() code between 2.10.0 
and 2.10.1, but there are definitely changes (hopefully improvements!) 
in the unreleased R-devel.
Please try them.  I may backport them to R-patched if they are helpful.

Duncan Murdoch