2015-02-20 09:02:09 -05:00
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defmodule RC do
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def sparkline(str) do
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values = str |> String.split(~r/(,| )+/)
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2016-12-05 22:15:40 +01:00
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|> Enum.map(&elem(Float.parse(&1), 0))
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{min, max} = Enum.min_max(values)
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2015-02-20 09:02:09 -05:00
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IO.puts Enum.map(values, &(round((&1 - min) / (max - min) * 7 + 0x2581)))
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end
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end
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