[Tab completion] REPL tab completion in ruby #tab #repl

tab-completion

require "readline"

pet_store = [ "pet", "store", "user"]

Readline.completion_proc = proc do |input|
  pet_store.select { |name| name.start_with?(input) }
end

while input = Readline.readline("$ ", false)
  if input
    break if input == "q"
    p Readline.line_buffer.split if !input.empty?
  end
end