Node.js Module

gistfile1.js

// Can I do this?

//main.js
var m = require('./module');

var string = 'Hello from main!';

m.print();

//module.js
var prints = function(){
	console.log(string); // Should print 'Hello from main!', but It doesn't. 
	// I could pass a variable but I was wondering if this was possible..
}
exports.print = prints