[R] Command-line editing re-visited.

[Prof Brian D Ripley]

A couple of small points.

On Fri, 7 Sep 2001, Rolf Turner wrote:

...

> (b) Thomas Vogels suggested
>
> >  Once you fire up the newly built R, you can verify that the readline
> >  library was picked up correctly using the capabilities function:
> >
> > R> capabilities("cledit")
> > cledit
> >   TRUE
>
> When I did
>
> 	> capabilities("cledit")
>
> I got
>
> 	logical(0)
>
> The help on capabilities evinced no reference to ``cledit''.
> Is something missing here?

You need 1.3.1 for this.

> So, I now come to my QUESTION:  How ***do*** you persuade the R
> command-line editor to use vi syntax?  Ideally I would like to be
> able to put something into an ``init'' file (.Renviron???) so that
> I always get vi syntax when I fire up R.  Failing that, something
> that I can put into a .First() function.

Try man readline:
You want something like  `set keymap vi-insert' in your .inputrc, I think.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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