Oops, should have included:
> version
_
platform i386-pc-mingw32
arch i386
os mingw32
system i386, mingw32
status
major 2
minor 2.1
year 2005
month 12
day 20
svn rev 36812
language R
So, no, I'm on the Windoze port.
So I guess my question changes to: Does anyone know if there are plans / is it
possible to add GNU Readline functionality in the Windoze port?
I especially like the fact that vi key bindings are available ;)
Thanks,
Jack.
Jeffrey Horner <[EMAIL PROTECTED]> wrote: John McHenry wrote:
> Hi all,
>
> Are there any plans to add more functionality to command-line editing and
> history editing on the command line?
Presuming you're running R from a Unix console (I'm unsure of the
windows port, maybe?), it is sufficient, insofar as how well you like
the GNU readline library and if it's been compiled into R:
http://cnswww.cns.cwru.edu/php/chet/readline/rluserman.html
I can even use VI style key bindings to work with historical commands:
Typing K recalls previous commands, J goes forward through the commands.
I can even search through the commands. Auto completion of function
names doesn't work but file names do.
One point that was a bit of work for me to set up was automatically
saving history. In order to do this, you must first set the environment
variable R_HISTFILE to the location of your saved history file. Then, at
the end of your R session, you can run:
savehistory(Sys.getenv("R_HISTFILE")
Or better yet, put the following in your .Rprofile:
.Last <- function() savehistory(Sys.getenv("R_HISTFILE"))
>
> In MATLAB (I know, comparisons are odious ...), you can type "p" and up-arrow
> on the command line and scroll through the recently entered commands
> beginning with "p". This is a very useful feature and something that I
> believe is not replicated in R.
> Please correct me if I'm wrong; currently I use history(Inf) in R, search for
> what I want and cut and paste if I find what I'm looking for.
>
> Also in MATLAB, tab completion is available for directory listings and also
> for function name completion. Again, I'm unaware of how to do this in R. The
> added MATLAB functionality makes finding files easy on the command line and
> it also saves the fingers on long function names.
>
> Thanks,
>
> Jack.
>
>
> ---------------------------------
>
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--
Jeffrey Horner Computer Systems Analyst School of Medicine
615-322-8606 Department of Biostatistics Vanderbilt University
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