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file = Path.absname("Downloads/input-elves.txt")
{:ok, data} = File.read(file)
sum_elve = fn elve_data ->
elve_data
|> Enum.reduce(0, fn string, acc ->
string
|> Integer.parse()
|> case do
{int, ""} -> acc + int
:error -> IO.inspect(string)
end
end)
end
data
|> String.split("\n\n")
|> Enum.map(fn elve_data ->
elve_data
|> String.split("\n")
|> sum_elve.()
end)
|> Enum.sort()
|> Enum.reverse()
|> Enum.take(4)
|> Enum.filter(fn x -> x != "" end)
|> IO.inspect()
|> Enum.sum()