 defmodule Script do
   def main(args) do
     defaults = [
+      fizz_word: "Fizz",
+      buzz_word: "Buzz",
+      fizzbuzz_word: "FizzBuzz",
       fizz: 3,
       buzz: 5,
       min: 1,

    IO.puts("Counts from a minimum number to a maximum number.")
    IO.puts("Fizz multiples are replaced with 'Fizz', buzz multiples with 'Buzz' and multiples of fizz and buzz with 'FizzBuzz'.")
    IO.puts("Usage:")
    IO.puts("  fizz_buzz [--fizz FIZZ] [--buzz BUZZ] [--min MIN] [--max MAX] [--skip SKIP] [--help]")
    IO.puts("    --fizz FIZZ : fizz multiple, default 3")
    IO.puts("    -f     FIZZ : fizz multiple, default 3")
    IO.puts("    --buzz BUZZ : buzz multiple, default 5")
    IO.puts("    -b     BUZZ : buzz multiple, default 5")
    IO.puts("    --min  MIN  : number to count from, default 1")
    IO.puts("    -n     MIN  : number to count from, default 1")
    IO.puts("    --max  MAX  : number to count to, default 100")
    IO.puts("    -x     MAX  : number to count to, default 100")
    IO.puts("    --skip SKIP : multiple to count by, default 1")
    IO.puts("    -s     SKIP : multiple to count by, default 1")
    IO.puts("    --index     : display count number for each line of output")
    IO.puts("    -i          : display count number for each line of output")
    IO.puts("    --help      : display this usage summary")
    IO.puts("    -?          : display this usage summary")
    IO.puts("Examples:")
    IO.puts("  fizz_buzz")
    IO.puts("  fizz_buzz -n 50 -x 75")
    IO.puts("  fizz_buzz -n 50 -x 75 -s 5")
    IO.puts("  fizz_buzz -f 2 -b 3")

      help: false,
    ]
    switches = [
      fizz_word: :string,
      buzz_word: :string,
      fizzbuzz_word: :string,
      fizz: :integer,
      buzz: :integer,
      min: :integer,
