# File lib/net/ssh/known_hosts.rb, line 35
      def hostfiles(options, which=:all)
        files = []

        if which == :all || which == :user
          files += Array(options[:user_known_hosts_file] || %w(~/.ssh/known_hosts ~/.ssh/known_hosts2))
        end

        if which == :all || which == :global
          files += Array(options[:global_known_hosts_file] || %w(/etc/ssh/known_hosts /etc/ssh/known_hosts2))
        end

        return files
      end