example for https://github.com/tj/commander.js/pull/611

demo-list.js

#!/usr/bin/env node --harmony

var program = require('commander');

program
    .version('0.1.0')
    .description('list packages installed')
    .parse(process.argv);

console.log('[demo-list]', process.execArgv)

demo.js

#!/usr/bin/env node --harmony

var program = require('commander');

program
    .version('0.1.0')
    .command('install [name]', 'install one or more packages')
    .command('search [query]', 'search with optional query')
    .command('list', 'list packages installed', {isDefault: true})
    .parse(process.argv);

console.log('[demo]', process.execArgv)

package.json

{
  "name": "demo",
  "version": "1.0.0",
  "main": "index.js",
  "license": "MIT",
  "bin": {
    "demo": "demo.js",
    "demo-list": "demo-list.js"
  },
  "dependencies": {
    "commander": "^2.20.0"
  }
}