node cli example

gistfile1.js

var os = require('os')

var cliopts   = require('cliclopts')
var parseArgs = require('minimist')
var rc        = require('rc')

var pkg  = require('../package')
var opts = require('./options')

var clopts = cliopts(opts.default)
var argv = parseArgs(process.argv.slice(2), clopts.options())

exports.help = function () {
  console.log(os.EOL, 'Usage: command [options]', os.EOL)
  clopts.print()
  process.exit()
}

exports.version = function () {
  console.log(pkg.version)
  process.exit()
}

exports.exec = function () {
  // TODO accept conf as argument
  console.log('got sub', argv)
  var conf = rc(pkg.name, clopts.default(), argv)
  console.log('conf', conf)
}

if (require.main === module) {
  switch (true) {
    case argv.version:
      exports.version()
      break
    case argv._.length > 0:
      exports.exec()
      break
    case argv.help:
    default:
      exports.help()
      break
  }
}