[R] Can I find the datetime an object was last assigned to/saved?

[Prof Brian Ripley]

On Tue, 14 Sep 2004, Uwe Ligges wrote:

> davidr at rhotrading.com wrote:
> 
> > I'm using v 1.9.1 under Windoz XP.
> > 
> > Can I do the equivalent of "ls -l" on my R objects? R's "ls()" lists
> > only the names.
> 
> For example ll() in package gregmisc.

But that does not give datetimes, since they are not recorded.

It also needs a warning on object sizes, which had it credited its use of 
object.size you would have been able to find.  Would the maintainer please

1) Give credit where credit is due and add a \seealso, and
2) Include an appropriate warning.

-- 
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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595