macOS filesystems are indeed case insensitive by default (you can format with sensitivity enabled if you like), but this is not necessarily a concern here.
On macOS, R is typically installed as a "framework". In that case we use RSwitch.app to change the version that the `R` symlink points to. Maybe other users have a different experience, but I've never used the special `R-` runners that ESS creates. Best, Lionel On 4/18/20, Dirk Eddelbuettel via ESS-help <ess-help@r-project.org> wrote: > > On 18 April 2020 at 13:57, Martin Maechler via ESS-help wrote: > | But on that most-used (non-)operating system, lowercase and > | uppercase are mostly equivalent in file names *and* executables > | are file names, no? > > No: > > edd@rob:~$ r --version | head -1 > r ('littler') version 0.3.9 > edd@rob:~$ R --version | head -1 > R version 3.6.3 (2020-02-29) -- "Holding the Windsock" > edd@rob:~$ > > Also, remember that R CMD calls for 25 years into i.e. INSTALL to avoid > /usr/bin/install from GNU? Same reason. > > The only "famous" and very braindead exception is macOS where I recommend > littler users build it as 'lr' because there (and only there) r == R. > > Dirk > > -- > http://dirk.eddelbuettel.com | @eddelbuettel | e...@debian.org > > ______________________________________________ > ESS-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/ess-help > ______________________________________________ ESS-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/ess-help