Ah, I see. On my system, I'm able to create a symlink within /Library/Frameworks/R.framework/Versions -- the directory is owned by user "root", group "admin", and my user account is also in group "admin".
Hope that helps... Cheers, Martin On 11 October 2011 11:46, Marius Hofert <marius.hof...@math.ethz.ch> wrote: > Hi Martin, > > thanks, but I'm aware of that. I was looking for the command-line approach :-) > > Cheers, > > Marius > > > On 2011-10-11, at 12:43 , Martin Ellis wrote: > >> I'm not sure if you're already aware of RSwitch (available at >> http://r.research.att.com/), but it seems like it might be useful for >> what you're trying to do. >> >> Cheers, >> Martin >> >> >> On 11 October 2011 11:24, Marius Hofert <marius.hof...@math.ethz.ch> wrote: >>> Hi, >>> >>> I have multiple R versions installed and would like to switch between them >>> via setting the symblic link "Current". To make this a bit more convenient, >>> I defined two "aliases" in .bashrc: >>> >>> alias R2.13='d=/Library/Frameworks/R.framework/Versions; rm $d/Current; ln >>> -s $d/2.13 $d/Current' >>> alias R2.14='d=/Library/Frameworks/R.framework/Versions; rm $d/Current; ln >>> -s $d/2.14 $d/Current' >>> >>> On executing R2.13 in the terminal, I get: >>> rm: /Library/Frameworks/R.framework/Versions/Current: Permission denied >>> ln: /Library/Frameworks/R.framework/Versions/Current/2.13: Permission denied >>> >>> If I chown Current, I still get: >>> rm: /Library/Frameworks/R.framework/Versions/Current: Permission denied >>> >>> I (bad) solution is to put in "sudo" in the alias... >>> >>> How is it done correctly? >>> >>> Cheers, >>> >>> Marius >>> >>> PS: I also posted it for future reference, I've only found the idea of >>> using ln -s on the help pages/FAQ, but not how to get around the permission >>> issue. >>> _______________________________________________ >>> R-SIG-Mac mailing list >>> R-SIG-Mac@r-project.org >>> https://stat.ethz.ch/mailman/listinfo/r-sig-mac >>> > > > _______________________________________________ R-SIG-Mac mailing list R-SIG-Mac@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-mac