RubyEngine 
Provides a RubyEngine constant for simple Ruby implementation checks.
Setup
On your command-line:
$ gem install ruby_engine
In Ruby:
require 'ruby_engine'
Usage
# Output the interpreter name
RubyEngine.to_s
# true for JRuby
RubyEngine.is? 'jruby'
# There are some query methods defined:
RubyEngine.cruby?
RubyEngine.jruby?
RubyEngine.truffle?
Also See
- https://github.com/janlelis/ruby_version
- https://github.com/janlelis/ruby_info
- https://github.com/rdp/os
- https://github.com/janlelis/irbtools
J-_-L
Copyright (c) 2010-2014, 2020 Jan Lelis. MIT License. Originated from the zucker gem.