generate express app with gimme

mystack.js

module.exports = mystack_cmd;

var fs = require('fs')
	, path = require('path')
	, exec = require('child_process').exec;


mystack_cmd.usage = "gimme mystack <appname>";
mystack_cmd.description = ['my personnal express.js boilerplate', "@k33g_org"];

function launch(cmd, cb) {
	exec(cmd, function(err, stdout, stderr) {
	    if (err) {
			console.log(err);
			throw err;
		}
	    else {
			console.log(cmd+ " -> OK");
			if(cb) cb();
		}
	});
}

function mystack_cmd (opts, cb) {
	var appname = opts.argv.remain.slice(1)[0];
	launch("express " + appname, function() {
		launch("cd " + appname + " && npm install -d", function(){
			launch("cd " + appname + " && npm install ejs", function() {
				console.log(appname + " has been created.")
			});
		});
	});
}