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remacsess

Referencing a PROCESS in Emacs (ESS R)

I am trying to run a command from Emacs using ESS, to send code to the R buffer (though I have stumbled onto this problem in python as well).

I can't figure out though how to use:

(ess-send-string PROCESS STRING)

I do not understand how I can, while calling this function from the script buffer, send a string to the associated *R* buffer.

I have tried using comint and process-send-string, but I guess I do not understand how to send a process. A buffer name did not do it, what will?

Example: 

(defun create-rtags () 
  (interactive)
  (ess-send-string PROCESS "rtags(ofile=paste0(getwd(), \"TAGS\"))")
Solution

  • You can use get-process to have the right process or ess-get-process if you use the latest of ESS version on github. 

    (ess-send-string (get-process "R") "a <- 1:10;a")

    Result in 

    [1]  1  2  3  4  5  6  7  8  9 10

    So for your function, something like this should work

    (defun create-rtags () 
  (interactive)
  (ess-send-string (get-process "R") "rtags(ofile = file.path(getwd(), \"TAGS\"))"))