Get a single character from the console

gistfile1.rb

# From the Highline gem, https://github.com/JEG2/highline

def get_character( input = STDIN )
  raw_no_echo_mode
  
  begin
    input.getbyte
  ensure
    restore_mode
  end
end

def raw_no_echo_mode
  @state = `stty -g`
  system "stty raw -echo -icanon isig"
end

def restore_mode
  system "stty #{@state}"
end