code: function main (args) {
    return input(args, true)
      .then(ports => {
        if (!ports.length) {
          throw error('Requires at least one input [port]', true)
        }
        const jobs = ports.map(port => krampus(port))
        return Promise.all(jobs)
      })
  }
docs: Main program entry (args:[]) => Promise<pids:[]>