Provides a RubyVersion to simplify checking for the right Ruby version in
your programs.
On your command-line:
$ gem install ruby_version
In Ruby:
require "ruby_version"
# Output RUBY_VERSION
RubyVersion.to_s
# Check for the main version with a Float
RubyVersion.is? 2.1
# Use strings for exacter checking
RubyVersion.is.above "1.9.2"
RubyVersion.is.at_least "2.0.0" # or exactly, below, at_most
# You can use the common comparison operators
RubyVersion >= "1.8.7"
RubyVersion.between? "1.8.7", "1.9.2"
# Relase date checks
RubyVersion.is.older_than Date.today
RubyVersion.is.newer_than "2009-08-19"
# Misc Accessors
RubyVersion.major # => 1
RubyVersion.minor # => 8
RubyVersion.tiny # => 7
RubyVersion.patchlevel # => 249
RubyVersion.description # => "ruby 1.8.7 (2010-01-10 patchlevel 249) [i486-linux]"
- https://github.com/janlelis/ruby_engine
- https://github.com/janlelis/ruby_info
- https://github.com/rdp/os
Copyright (c) 2010-2014 Jan Lelis. MIT License. Originated from the zucker gem.