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From: Erik Iverson <eriki@ccbr.umn.edu>
To: emacs-orgmode@gnu.org
Subject: org-babel with R, scrolling an inferior ESS process
Date: Tue, 16 Feb 2010 10:00:06 -0600	[thread overview]
Message-ID: <4B7AC106.5050109@ccbr.umn.edu> (raw)

Hello,

I have been a happy user of ESS with R for years.  Recently, I've begun 
to use org-mode for a lot of things, so of course I am interested in 
org-babel. I checked out a version of org-mode yesterday (2-15-2010) 
from git.

Using just ESS,  I would write a source file, test.R, and define a 
function in it, say

#identity function
test <- function(x) {
	x
}
test(3)

I could then type C-c C-c (coincidentally, and happily, this is the ESS 
keybinding used to send a block of code to the inferior *R* process) to 
send the above lines to the running *R* process, and the output would 
show up in the *R* buffer, and scroll to the bottom of the *R* buffer 
since I have set

(setq comint-scroll-to-bottom-on-output t)

in my .emacs.

However, now I hope to write a file, test.org, and write something like:

* Identity function
#+begin_src R :session :results output silent
   test <- function(x) {
     x
   }
   test(3)
#+end_src

If I use C-c ' to open an R code buffer and C-c C-c, I see the same 
behavior as in ESS. However, when I do C-c C-c on the code block *in the 
test.org buffer*, the code is sent to the *R* buffer, but it does not 
scroll.  In the *R* buffer, once I do scroll to the bottom, I see the 
following:

 >
test <- function(x) {
   x
}
test(3)
'org_babel_R_eoe'

 > test <- function(x) {
+   x
+ }
 > test(3)
[1] 3
 > 'org_babel_R_eoe'
[1] "org_babel_R_eoe"

Can anyone
1) replicate that you don't see the scrolling, even with the 
comint-scroll-to-bottom-on-output variable set to 't'?
2) suggest a way to get the *R* buffer to scroll to the bottom when I 
execute a source block from an org-mode file to a running *R* session?

I am surprised by this behavior since I just assumed comint-mode should 
do the right thing, so I'm not sure where the issue is! Even if this 
can't be changed, I think org-babel is going to be a great use to me, 
thank you!

Best Regards,
Erik Iverson

next             reply	other threads:[~2010-02-16 16:00 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-16 16:00 Erik Iverson [this message]
2010-02-17  2:24 ` org-babel with R, scrolling an inferior ESS process Dan Davison
2010-02-18 15:37   ` Erik Iverson
2010-02-18 17:39     ` Eric Schulte

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