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#! /usr/bin/env elixir
defmodule ArgParser do
def parse do
{opts, _} =
System.argv()
|> OptionParser.parse!(strict: [option: :string, text: :string])
cond do
opts[:option] == "First letter of each word in sentence" ->
TextPlumber.firstLetterOfWordsIn(opts[:text])
opts[:option] == "Single line of text" ->
TextPlumber.singleLineOf(opts[:text])
true ->
"No plumber specified #{opts[:option]}" |> IO.puts()
end
end
end
defmodule TextPlumber do
def firstLetterOfWordsIn(text) do
String.replace(text, ~r/(\w)\w*/, "\\1", global: true)
|> String.replace(~r/\s\s+/, " ", global: true)
|> IO.puts()
end
def singleLineOf(text) do
String.replace(text, "\n", " ")
|> String.replace(~r/\s\s+/, " ", global: true)
|> IO.puts()
end
end
ArgParser.parse()
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