node_modules/prompt/examples/history.js

/*
 * history.js: Example of using the prompt history capabilities.
 *
 * (C) 2010, Nodejitsu Inc.
 *
 */

var prompt = require('../lib/prompt');

//
// Start the prompt
//
prompt.start();

var properties = {
  properties: {
    animal: {
      description: 'Enter an animal',
      default: 'dog',
      pattern: /dog|cat/
    },
    sound: {
      description: 'What sound does this animal make?',
      conform: function (value) {
        var animal = prompt.history(0).value;

        return animal === 'dog' && value === 'woof'
          || animal === 'cat' && value === 'meow';
      }
    }
  }
}

//
// Get two properties from the user
//
prompt.get(properties, function (err, result) {
  //
  // Log the results.
  //
  console.log('Command-line input received:');
  console.log('  animal: ' + result.animal);
  console.log('  sound: ' + result.sound);
});