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original_file = File.open('content1.txt', 'r')
new_file = File.open('master1.txt', 'w')

master_list = []
counter = 0
counter_written = 0

original_file.each_line do |line|
  counter += 1
  name = line.split(' ')

  # Handle multi-worded surnames ('Von Bluth')
  if name.length > 2
    name[1] = name[1] + name[2]
    name.pop
  end

  # Handle hyphenated names (Bluth-Funke)
  if name[1] =~ /-/
    name[1] = name[1].split('-').pop
  end
 
  username = "#{name[0][0].chr}#{name[1]}".downcase
  master_list << username
  counter_written += 1 if new_file.puts("#{username}@somedomain.com").nil?
end

original_file.close
new_file.close

duplicates = master_list.inject({}){|h,v| h[v]=h[v].to_i+1; h}.reject{|k,v| v==1}.keys

master_list.sort.each {|username| puts username + '@somedomain.com'}
puts "\n\n"
puts "- - - - - - - - - - - - - - - - - - - -"
puts "Processed: #{counter}"
puts "Written: #{counter_written}"
puts "Master List: #{master_list.size}"
puts "- - - - - - - - - - - - - - - - - - - -"
puts "Duplicates: #{duplicates.size}"
puts "#{duplicates.join(', ')}"
puts "\n\n"