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.