mixlab-cli_multiple_values.rb

  # Here is how to create an option/argument with mixlab-cli that can be assigned multiple values

  # Hash
  option :env,
    :description => "Environment variable to pass to Cucumber. Can be specified more than once to set multiple environment variables",
    :short => '-n NAME=VALUE',
    :long => '--env NAME=VALUE',
    :proc =>
      lambda do |c|
        @env ||= {}
        name, value = c.split('=', 2)
        @env[name] = value
        @env
      end