#!/usr/bin/env ruby

file = File.open(ARGV[0], 'r')

lines = Array.new
file.each do |line|
  lines << line
end

phones = Array.new
lines.each do |line|
  line.gsub(/\d+-\d+-\d+-\d+-\d+/).each do |phone|
    phones << phone
  end
end

duplicated_phones = Hash.new(0)
phones.each do |phone|
  duplicated_phones[phone] += 1
end
duplicated_phones.reject! {|phone, occurances| occurances == 1}

result = Array.new
lines.each do |line|
  line_contains_duplicated_phone = false
  duplicated_phones.each do |phone, occurances|
    line_contains_duplicated_phone = true if line.match(phone)
  end
  result << line unless line_contains_duplicated_phone
end

new_filename = 'clean_' + ARGV[0]
new_file = File.open(new_filename, 'w')

result.each{|result_line| new_file.print result_line}

puts 'Result file is ' + new_filename