[ESS] Fwd: Re: [R] .Rd vs. .R, was: matrix multiplication

Vitalie Spinu spinuvit at gmail.com
Thu Dec 6 21:40:58 CET 2012

  >> Kasper Daniel Hansen <kasperdanielhansen at gmail.com>
  >> on Thu, 6 Dec 2012 15:09:51 -0500 wrote:

  > This is semi-tangential.  One thing I really miss from readline is the
  > ability to designate paths like

  > load("~khansen/data.rda")

You mean load("~/khansen/data.rda")? Never heard of ~foo to be
substituted, with readline or otherwise. R substitutes ~/foo and ../foo
correctly in emacs session.

As to readline, I am not aware of a single feature that would be missing
in emacs comint buffers. Limitations you might see are those imposed by
the dumbness of emacs terminal. Particularly interactive features (like
less filter) don't work.


  > ie. use the ~khansen to mean home dir of user khansen.  I want to use
  > this all the time, since I sit on a multiuser system and frequently
  > load stuff from other peoples homedir.

  > My understanding is that readline is what makes this work in normal
  > command line R, and this is why it doesn't work inside of Emacs.

  > Is there a way to address this particular issue?

  > Kasper

  > On Thu, Dec 6, 2012 at 2:53 PM, Vitalie Spinu <spinuvit at gmail.com> wrote:
  >> >> Christian Hoffmann <c-w.hoffmann at sunrise.ch>
  >> >> on Thu, 06 Dec 2012 14:29:02 +0100 wrote:
  >> [...]
  >> > (3) I found out that M-x R  starts R --no-readline , which I want to avoid!  I
  >> > want to browse the history in a (mini?) buffer to search and select before
  >> > execution, using C-up-arrow is cumbersome. I am lazy !
  >> This is comint-previous-input and is also bound to M-p by default, could
  >> not be faster than that. Comint-previous-matching-input-from-input is
  >> much more useful IMO, so I would recommend this in your .emacs:
  >> (define-key comint-mode-map [(meta ?p)] 'comint-previous-matching-input-from-input)
  >> (define-key comint-mode-map [(meta ?n)] 'comint-next-matching-input-from-input)
  >> These commands are bound to C-c M-r and C-c M-s by default.
  >> Vitalie
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