fr.ex

defmodule Fr do

  def read_file(f) do
    File.read!(f)
  end

  def to_s(num) do
    Integer.to_string(num)
  end

  def read_five do
    Enum.map(1..5, fn(x) -> Task.async(Fr, :read_file, ["/tmp/t" <> to_s(x)]) end)
  end

  def looper([]) do
  end

  def looper([h|t]) do
    IO.inspect Task.await(h)
    looper(t)
  end

  def run() do
    looper(read_five())
  end
end