On 2011-09-16, at 02:30 , Simon Urbanek wrote: > > On Sep 14, 2011, at 3:02 PM, Hofert Jan Marius wrote: > >> Dear Simon, >> >> thanks for your help, that clarified a lot. >> As I could read it is not "recommended" to make the adjustment. >> >> Can RSwitch be called from the command line? If so, one could at least >> create a command (or alias) "R-2.13" that first calls RSwitch and sets the >> version accordingly and then starts R. That would be quite convenient. >> > > Actually, it's the other way around - switching versions is trivial from the > command line simply using "ln" (see the FAQ) so obviously you can do that in > the script. RSwitch is just a wrapper that allows you to do that from the > GUI. But note that the issue is that the Current link can only be correct for > one version, so you can use one or the other but not both at the same time. > Setting R home to the versioned version allows you to use both at the same > time but some issues remain (compiling packages etc.). > > Cheers, > Simon
Dear Simon, thanks for helping. I realized that setting it with ln is just a convenience [not having to click anything], but of course that does not imply that one can suddenly open two versions. I even tried and one runs into problems quite quickly. That's a pity, I have to admit that this is the first time that the Mac is not behaving nicely and inferior to Linux. I don't have Linux installed but as far as I know from Linux users, they can have multiple versions installed *and* work with them in parallel. As one can read on http://cran.r-project.org/bin/macosx/RMacOSX-FAQ.html#Why-is-R_002ehome_0028_0029-not-versioned_003f : "The advanatage of this setup is that it is possible to install multiple R versions in parallel and they all will be fully functional ...". Obviously it is not an advantage in comparison to Linux systems. I was wondering about that, that's why I asked. Cheers, Marius > > >> >> On 2011-09-14, at 20:39 , Simon Urbanek wrote: >> >>> >>> On Sep 14, 2011, at 2:25 PM, Hofert Jan Marius wrote: >>> >>>> Dear expeRts, >>>> >>>> I recently switched to emacs (aquamacs) and I am amazed by its >>>> capabilities. I used to use RSwitch to switch between R-2.13 and R-2.14. >>>> Since I am now able to start R in different frames of emacs, I was >>>> wondering if I can simply start R-2.13 in one frame and R-2.14 in another >>>> frame. >>>> >>>> On experimenting, the first thing I realized was that in a terminal, I >>>> only have "R", "R32" and "R64" available; so no "R-2.13.32bit", >>>> "R-2.14.32bit", "R-2.13.64bit", "R-2.14.64bit" [or similar]. If I start >>>> "R", it starts the version that RSwitch has selected. But that means I >>>> can't start different R versions at the same time... However, I know that >>>> it works on Linux, so is there a Mac solution, too? It would be nice if >>>> one is not required to use RSwitch but can simply choose in emacs which R >>>> version should be started. >>>> >>>> The first step seems to be to locate the different installed R versions, >>>> which should probably be in >>>> /Library/Frameworks/R.framework/Versions/2.13/Resources and >>>> /Library/Frameworks/R.framework/Versions/2.14/Resources. But if RSwitch >>>> points to R-2.14 and I start the R version in the former directory (so >>>> R-2.13), it starts R-2.14 anyway... >>>> >>> >>> >>> For the command-line R (and only the command line R!) you can simply create >>> a copy of the R launcher script and replace all occurrences of the R home >>> path with the full *versioned* home path, so for example for 2.13 you would >>> use something like >>> >>> sed >>> 's:/Library/Frameworks/R.framework/Resources:/Library/Frameworks/R.framework/Versions/2.13/Resources:g' >>> R > R-2.13 >>> >>> This will make your R script independent of the current framework version. >>> However, note that some things will break - for example you won't be able >>> to compile packages properly. For details see the FAQ: >>> http://r.research.att.com/bin/macosx/RMacOSX-FAQ.html#Why-is-R_002ehome_0028_0029-not-versioned_003f >>> >>> Cheers, >>> Simon >>> >> >> >> > _______________________________________________ R-SIG-Mac mailing list [email protected] https://stat.ethz.ch/mailman/listinfo/r-sig-mac
