gistfile1.txt

require 'io/console'

def read_char
  $stdin.noecho do
    $stdin.raw do
      input = $stdin.getc.chr

      if input == "\e" then
        input << $stdin.read_nonblock(3) rescue nil
        input << $stdin.read_nonblock(2) rescue nil
      end

      return input
    end
  end
end

system("irb")
c=read_char

p c

system("irb")