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October 28, 2015 19:16
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| File.read!("/etc/passwd") |> | |
| String.split("\n") |> | |
| Enum.map(&(String.split(&1, ":"))) |> | |
| Enum.map(&(Enum.at(&1,3))) |> | |
| Enum.filter(&(!is_nil(&1))) |> | |
| Enum.map(&(String.to_integer(&1))) |> | |
| Enum.sort(&(&1 > &2)) |> | |
| Enum.take(5) | |
| [239, 238, 237, 236, 235] |
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