2016 Update

Task/Letter-frequency/Elixir/letter-frequency.elixir

@@ -1,11 +1,9 @@
 file = hd(System.argv)
 
-case File.read(file) do
-  {:ok, binary} -> String.upcase(binary)
-                   |> String.codepoints
-                   |> Enum.filter(fn c -> c =~ ~r/[A-Z]/ end)
-                   |> Enum.reduce(Map.new, fn c,acc -> Dict.update(acc, c, 1, &(&1+1)) end)
-                   |> Enum.sort_by(fn {_k,v} -> -v end)
-                   |> Enum.each(fn {k,v} -> IO.puts "#{k}  #{v}" end)
-  {:error, reason} -> IO.inspect reason
-end
+File.read!(file)
+|> String.upcase
+|> String.graphemes
+|> Enum.filter(fn c -> c =~ ~r/[A-Z]/ end)
+|> Enum.reduce(Map.new, fn c,acc -> Map.update(acc, c, 1, &(&1+1)) end)
+|> Enum.sort_by(fn {_k,v} -> -v end)
+|> Enum.each(fn {k,v} -> IO.puts "#{k}  #{v}" end)