old_contents: "use strict";
  let fs = require('fs'),
      path = require('path');
  let req="";
  function getDirectories(srcpath) {
  	req = "'use strict';\ndevis=require('devis');";
  
  	fs.readdirSync(srcpath).filter((file) => {
  		if (fs.statSync(path.join(srcpath, file)).isDirectory())
  			req += "\ndevis.use('../microservices/" + file + "/main');";
  	});
  
  	fs.readFile('app/client.json', 'utf8', (err, data) => {
  		obj = JSON.parse(data);
  		for (let cl in obj) {
  			req += "\ndevis.client({type: '" + obj[cl].type + "'\,port: '" + obj[cl].port + "'\,host: '" + obj[cl].host + "'\,protocol: '" + obj[cl].protocol + "'});";
  		}
  		//this.req+="\nmodule.exports=devis;";
  		req += "\ndevis.listen({host:'127.0.0.1',port:3030});";
  		fs.writeFile("app/root.js", req, function (err) {
  			if (err) {
  				return console.log(err);
  			}
  			console.log("The file was saved!");
  		});
  	});
  }
  
  getDirectories('microservices');
  
new_contents: "use strict";
  let fs = require('fs'),
      path = require('path');
  let req="";
  function getDirectories(srcpath) {
  	req = "'use strict';\ndevis=require('devis');";
  
  	fs.readdirSync(srcpath).filter((file) => {
  		if (fs.statSync(path.join(srcpath, file)).isDirectory())
  			req += "\ndevis.use('../microservices/" + file + "/main');";
  	});
  
  	fs.readFile('app/client.json', 'utf8', (err, data) => {
  		let obj = JSON.parse(data);
  		for (let cl in obj) {
  			req += "\ndevis.client({type: '" + obj[cl].type + "'\,port: '" + obj[cl].port + "'\,host: '" + obj[cl].host + "'\,protocol: '" + obj[cl].protocol + "'});";
  		}
  		//this.req+="\nmodule.exports=devis;";
  		req += "\ndevis.listen({host:'127.0.0.1',port:3030});";
  		fs.writeFile("app/root.js", req, function (err) {
  			if (err) {
  				return console.log(err);
  			}
  			console.log("The file was saved!");
  		});
  	});
  }
  
  getDirectories('microservices');
  
subject: fix bugs