In order to get a Ruby version, I run this command:
> $ ruby -r rbconfig -e 'C = RbConfig::CONFIG' -e 'puts C["ruby_version"]'
> 2.4
However, on Ubuntu 17.10 the same command returns 2.3.0 (with the minor
version of zero).
My question is which one is correct, or "more correct"? Should it rather
be 2.4.0? Or both are correct?
I recommended one upstream maintainer to get the current ruby version
using this command, and then to use 'pkg-config ruby-${THIS_VERSION}
--libs', but he says that Ubuntu prints it in a different format.
2.4 matches .pc file on FreeBSD, and doesn't on Ubuntu.
Is this a bug on Ubuntu? On FreeBSD?
Yuri
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