ask.sh

#!/bin/sh

function ask() {
  function y() { printf " \e[3;32m%s\e[0m\n" "yes"; }
  function n() { printf " \e[3;31m%s\e[0m\n" "no"; }

  printf "\e[1;34m%s\e[0m? \e[1;33m%s\e[0m " "${1}" "(y/n)"
  for i in {1..3}; do
    read -s -n 1 -t 2
    case "$REPLY" in
      Y|y) y; return 0; break;;
      N|n) n; return 1; break;;
      *) printf "\033[1;32m%s\033[0m" "."
    esac
  done
  y; return 0
}

if ask 'Update getting started documentation'; then
  echo "Whoo!"
else
  echo "Nope."
fi