Simple Ruby whois email parser, no gems used.

simple_whois_email_extractor.rb

RE = /[\w.!#\$%+-]+@[\w-]+(?:\.[\w-]+)+/  

def simple_whois_email_extractor(domain = 'DISNEY.COM')
  puts "Getting whois info for #{domain.downcase}"
  emails = Array.new
  IO.popen("whois #{domain.downcase}") do |io|
    string = ''
    while (line = io.gets) do
      string += line
    end
    string.scan(RE).each do | email | emails.push email end
  end
  emails.uniq!
  return emails
end

emails = simple_whois_email_extractor #'PIXAR.com'

puts emails.size
emails.each do | email | puts email end