On Jul 1, 2014, at 10:50 PM, G. Sawitzki <[email protected]> wrote:
> This is a late follow up to > <https://stat.ethz.ch/pipermail/r-sig-mac/2013-April/010045.html> > > Is there a useful implementation to move existing packages? > > This comes up if there is a new R release and you want your old > collection updated, but work on a system that does versioning (e.g. OS X). > > The message referred above suggests to use the GUI Package Installer, > but at least on OS X this functionality does not exist. > Yes it does - that is what the post you quote refers to - the OS X GUI specifically supports installation of packages based on previous R versions in the Package Installer. Cheers, Simon > On a command level, this might be implemeted as a variant of > update.packages() with an additional parameter old.lib.loc (or a changed > semantics for oldPkgs: get a list of packages from old.lib.loc, and > update these to lib.loc. > > The design problem is that R does not keep a memory of where a package > has been installed. So an iteration over a list of repositories might be > needed. > > g. > > > -- > G. Sawitzki > StatLab Heidelberg > Im Neuenheimer Feld 294 > D 69120 Heidelberg > Tel. (+49) 62 21 - 54 89 79 Fax (+49) 62 21 - 54 53 31 > <http://www.statlab.uni-heidelberg.de/users/gs/> > GPG Fingerprint: FEA4 3F2A 88B2 2629 6CE2 0429 CC3C E49E D159 99AE > _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
