[R] Checking package licences including dependencies?

[Prof Brian Ripley]

If I understand you correctly, set the filter and use packageStatus().
Its summary() method tells you which packages you have installed which 
are 'unavailable'.  E.g. my Mac (with pkgType = "source") shows in 
R-devel

summary(packageStatus(.libPaths()[1]))$Libs[[1]]$unavailable
  [1] "BayesX"    "EVER"      "TSA"       "akima"     "degreenet" "difR"
  [7] "ergm"      "ff"        "gam"       "isa2"      "latentnet" "locfit"
[13] "mapproj"   "rtiff"     "statnet"   "tripack"

On Tue, 27 Jul 2010, Allan Engelhardt wrote:

> I only recently discovered options("available_packages_filters" = list(add = 
> TRUE, "license/FOSS")) [cf. help("available.packages", package="utils") in R 
> 2.10.0 or later] which goes nicely with my options("checkPackageLicense" = 
> TRUE) [new in R 2.11].
>
> But now I want to purge my library of packages I would not have installed had 
> I known about this option earlier (I'm looking at you, "gam"!).
>
> Short of erasing the whole directory of libraries and re-installing it, is 
> there an easy way of achieving this?
>
> I could probably roll something based on tools:::analyze_license() but I 
> think the erase-and-reinstall option might be easier in this case :-)
>
> Allan
>
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-- 
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)
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