arg = ARGV[0]

open("#{arg}") do |f|
  w = open("#{arg}.yaml", "w")
  w.puts "---"
  w.print "host_packages: [ "
  while f != false
    inp = f.readline().chomp()
    w.print "#{inp}, "
  end
  w.puts "]"
  f.close()
  w.close()
end