Alchemist Challenge #2

word_count.exs

#https://alchemist.camp/episodes/word-count

#filename = String.trim IO.gets "file to count word's from: "
filename = IO.gets("Select file: ") |> String.trim()

choice = IO.gets "What would you like to count ? [lines, words, characters] \n"

case choice |> String.trim() do
  "words" -> IO.puts "you chose words"
    #words = (File.read!(filename), ~r{\w}) |> String.split()
    #words = String.split( File.read!(filename), ~r{(\\n|[^\w'])+} )
    words =
      File.read!(filename)
      |> String.split( ~r{(\\n|[^\w'])+} )
      |> Enum.filter(fn x -> x != "" end)
      
    words |> Enum.count() |> IO.puts()

  "lines" -> IO.puts "You chose to count lines"
      lines = File.read!(filename)
        #TODO: make it work
        |> String.split(~r{(\n)})
      lines |> Enum.count() |> IO.puts()

  "characters" -> IO.puts "You chose to count characters"
      characters = File.read!(filename)
        |> String.split(~r{.})
        
      characters |> Enum.count() |> IO.puts()

  _ -> IO.puts "Select from lines, words or characters"
end