Thanks for bringing the question over from StackOverflow [1]. I am not very impressed that you STILL hide behind a pseudonym and I am starting to question my sanity as to why I take time out to help someone like that. Anyway, read on ...
[1] http://stackoverflow.com/questions/35313704/rscript-launch-custom-r/ On 10 February 2016 at 15:50, Cron Acronis wrote: | Dear all, | | I am trying to use multiple version of R unpacked from CRAN deb files. That will not work "as is". They have their path baked in. You could expand them into a Docker container each, and invoke those. You _could_ try re-setting RHOME, R_HOME, ... But rest assured that you attempt to deploy R in a way NOT foreseen or designed by the authors. | It does work successfully, except for some packages installation, whether | Rscript has been used. I have configured alternatives and switch R | environments without any problem and can install most of the packages. | | '====================================================== | $ update-alternatives --display R | R - auto mode | link currently points to /opt/R/3.2.3/usr/lib/R/bin/R | /opt/R/3.2.3/usr/lib/R/bin/R - priority 200 | /usr/lib/R/bin/R - priority 100 | Current 'best' version is '/opt/R/3.2.3/usr/lib/R/bin/R'. | | | $ update-alternatives --display Rscript | Rscript - auto mode | link currently points to /opt/R/3.2.3/usr/lib/R/bin/Rscript | /opt/R/3.2.3/usr/lib/R/bin/Rscript - priority 200 | /usr/lib/R/bin/Rscript - priority 100 | Current 'best' version is '/opt/R/3.2.3/usr/lib/R/bin/Rscript'. | '====================================================== | | Rscript always invokes `/usr/lib/R/bin/R`, but my alternatives are | configured against `/usr/bin/R` | | '====================================================== | $ Rscript --verbose -e 'Sys.getenv("R_HOME")' | running | '/usr/lib/R/bin/R --slave --no-restore -e Sys.getenv("R_HOME")' | | [1] "/usr/lib/R" | '====================================================== | | As have been mentioned by Dirk Eddelbuettel, in order to make Rscript | invoke correct R, I can adjust `PATH` environment variable. That presumed a local build into the location where PATH finds it. That is how some R Core members use different versions, and that approach 'was good enough for me' too. You are overcomplicating things here and get to pick up the pieces. | Which was done, but in my case didn't work out. Rscript still calls `/usr/ | lib/R/bin/R` | | '====================================================== | $ env | grep PATH | PATH=/opt/R/3.2.3/usr/lib/R/bin:/opt/python/conda/bin::/usr/local/sbin:/ | usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games | | | $ Rscript --version && Rscript --verbose -e 'print("Hello")' | R scripting front-end version 3.2.3 (2015-12-10) | running | '/usr/lib/R/bin/R --slave --no-restore -e print("Hello")' | | [1] "Hello" | '====================================================== | | | Could you please advise where I should dig further in order to force | Rscript to use `/usr/bin/R` or `/opt/R/3.2.3/usr/lib/R/bin/R`? Build from source into the chosen location. | Regards, Cron Acronis. In the future, use a real name if you want real help from real people. Dirk | _______________________________________________ | R-SIG-Debian mailing list | R-SIG-Debian@r-project.org | https://stat.ethz.ch/mailman/listinfo/r-sig-debian -- http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org _______________________________________________ R-SIG-Debian mailing list R-SIG-Debian@r-project.org https://stat.ethz.ch/mailman/listinfo/r-sig-debian