A basic prompt function for bash scripts

prompt.sh

#!/bin/bash

function prompt() {
  echo -n $1
  echo -n " [y/n] "
  read prompt_response
  if [ $prompt_response == 'y' ]; then
    return 0
  else
    return 1
  fi
}

prompt "I can haz cheezburger?"
if [ $? == 0 ]; then
  echo 'Yay, cheezburger!'
else
  echo 'Awww... :('
fi