text: module.exports = function testplugin(next, shared) {
    // used the shared `run()` to execute the echo command.
    shared.run({
      command: 'echo',
      args   : shared.args,
      done   : next,
    })
  }
  
  // tell runling the sub-commands which should call this plugin.
  module.exports.names = [ 'testplugin' ]
  