You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: dns_bruteforce.rb
    path of file: ./repos/metasploit-framework/modules/post/multi/gather
    
    the code of the file until where you have to start completion: ##
# This module requires Metasploit: https://metasploit.com/download
# Current source: https://github.com/rapid7/metasploit-f
    
  def process_nix(r, ns_opt)
    r.each_line do |l|
      data = l.scan(/(\S*) has address (\S*)$/)
      next if data.empty?

      data.each do |e|
        print_good("#{ns_opt} #{e[1]}")
        report_host(host: e[1], name: ns_opt.strip)
      end
    end
  end