commander.js command with actions

gistfile1.js

var program = require('commander');

program
  .command('create [name]')
  .description('create environment')
  .action(function() {
    console.log(1);
  });

program
  .command('use [name]')
  .description('use environment')
  .action(function() {
    console.log(2);
  });

program.parse(process.argv);

// 
// $ node cli.js create test
// 1
// $ node cli.js use test
// 2