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.
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