@doc "creates the uniq temporary directory"
@spec tmp_dir(String.t()) :: {:ok, String.t()} | {:error, :file.posix()}
def tmp_dir(prefix \\ "") do
- sub_dir = [
- prefix,
- Timex.to_unix(Timex.now()),
- :os.getpid(),
- String.downcase(Integer.to_string(:rand.uniform(0x100000000), 36))
- ]
+ sub_dir =
+ [
+ prefix,
+ Timex.to_unix(Timex.now()),
+ :os.getpid(),
+ String.downcase(Integer.to_string(:rand.uniform(0x100000000), 36))
+ ]
+ |> Enum.join("-")
- tmp_dir = Path.join(System.tmp_dir!(), Enum.join(sub_dir, "-"))
+ tmp_dir = Path.join(System.tmp_dir!(), sub_dir)
case File.mkdir(tmp_dir) do
:ok -> {:ok, tmp_dir}