find_phish_emails_from_list.rb

#!/usr/bin/env ruby
names = File.open("names.txt").read.split("\n")
emails_who_fell = []

names[1..-1].each do |firstlast|
  first = firstlast.split(" ")[0]
  last = firstlast.split(" ")[1]
  email = "#{first.downcase}.#{last.downcase}@gmail.com"
  emails_who_fell.push(email)
end

us_emails = File.read("emails.txt")
emails_who_fell_in_usa = []

emails_who_fell.each do |email|
  if us_emails.include?(email)
    emails_who_fell_in_usa.push(email)
  end
end

puts("the people who in the US office, who also fell for it")
puts(emails_who_fell_in_usa)