To install the Chilkat Gem, use the RubyGems "gem" command:
If your Ruby version is 2.1.2, then
gem install chilkat212
If your Ruby version is 2.1.1, then
gem install chilkat211
If your Ruby version is 2.0.0, then
gem install chilkat200
If your Ruby version is 1.9.3, then
gem install chilkat193
If your Ruby version is 1.8.7, then
gem install chilkat187
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To use Chilkat in a Ruby script, use the "require" statement. For example,
if using Chilkat for Ruby 2.1.2:
require 'rubygems'
require 'chilkat212'
See http://www.chilkatsoft.com/ruby.asp for more information.