[ESS] R 4.0

[Dirk Eddelbuettel]

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 using rob:~$ r --version | head -1
  r ('littler') version 0.3.9
  edd using rob:~$ R --version | head -1
  R version 3.6.3 (2020-02-29) -- "Holding the Windsock"
  edd using 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

-- 
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