defmodule Cldr.Utils do
  @moduledoc """
  CLDR Utility functions.

  """

  @doc """
  Returns the current OTP version.

  """
  def otp_version do
     major = :erlang.system_info(:otp_release) |> List.to_string()
     vsn_file = Path.join([:code.root_dir(), "releases", major, "OTP_VERSION"])

     try do
       {:ok, contents} = File.read(vsn_file)
       String.split(contents, "\n", trim: true)
     else
       [full] -> full
       _ -> major
     catch
       :error, _ -> major
     end
   end
end