[R] time when packages installed
Prof Brian Ripley
ripley at stats.ox.ac.uk
Sun Apr 27 12:29:24 CEST 2014
On 27/04/2014 10:50, Duncan Murdoch wrote:
> On 27/04/2014, 4:14 AM, amarjit chandhial wrote:
>> Is there a way in R to list the packages I installed by date ?
>> Or to list the packages I installed in the last n days ?
> R doesn't record that itself, but your OS probably does.
It must do. So see ?dir and ?file.info. E.g.
pkgs <- dir(.libPaths(), full.names = TRUE)
finf <- file.info(pkgs)
finf[difftime(Sys.time(), finf[,"mtime"], units = "days") <= 2 , 4,
shows all those up to 2 days old.
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
More information about the R-help