[ESS] ESS with Multiple Inferior Processes

[Erik Iverson]

Alan Lue wrote:
> How does one select which inferior process an ESS buffer is bound to
> when running multiple ESS processes?  To illustrate:
> 
> (1) C-x C-f [filename].R
> 
> (2) M-x R
> 
> (3) M-x R
> 
> Now you have inferior processes running in buffers *R* and *R:2*, but
> commands sent from [filename].R go only to *R*.  How do you make emacs
> send commands to *R:2*?
> 
> Section 6.1 of the ESS Manual says that ESS[S] handles the "ability to
> switch between processes which would be the target of the buffer (for
> the above)," but I don't see any further mention of this.

C-c C-s calls ess-switch-process, which should do it.