[R] rw0632 makes stray .Rhistory orphans

Prof Brian Ripley ripley at stats.ox.ac.uk
Tue Feb 23 14:57:20 CET 1999

> Date: Tue, 23 Feb 1999 13:40:26 +0100
> From: Guido Masarotto <guido at hal.stat.unipd.it>
> On Tue, Feb 23, 1999 at 12:09:08PM +0100, Karl M. Syring wrote:
> > If you start Rterm/Rgui from the cmd (NT4.4) command line, the .Rhistory and
> > .RData files are created/used in the current directory.
> > I think, R should honor HOME or even the USERPROFILE variable.
>   This is modelled on the Unix behaviour. About .RData, I strongly
>   believe that it is a very sensible (and useful) behavior
>   (I use different directories for different projects or data
>    and WANT different .RData).
>   About .RHistory is more a matter of taste. Probably, I agree
>   that one .RHistory is enough.

I don't agree. I want the record to be per-project. S has an audit 
mechanism for each project, and .Rhistory is the nearest equivalent.
It is very helpful to be able to find out a year or more later what one
did on a particular project, possibly crucial.

>   BTW, since we are speaking on .RHistory:  under Unix,
>   I would like to have the command history saved 
>   also when one doesn't save the workspace; now, exiting
>   with q("no") or friends doesn't update .RHistory.

I could point out that ESS inferior-R-mode does that whether you like
it or not. (There may be variable that turns it off, but I haven't
found it (nor looked for it).


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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