readline test

gistfile1.js

var rl = require('readline').createInterface({
	input: process.stdin,
	output: process.stdout
});

function Point(x, y){
	this.x = x;
	this.y = y;
}

// Parse some coordinate "[-]xx,[-]yy" into a Point
function parsePoint(str){
	str = str.trim().split(",");

	var x = parseFloat(str[0]),
		y = parseFloat(str[1]);

	return new Point(x, y);
};


var A, B, C, D;

rl.question("Point A (x,y): ", function(res){
	A = parsePoint(res);
	rl.close();
});
rl.question("Point B (x,y): ", function(res){
	B = parsePoint(res);
	rl.close();
});
rl.question("Point C (x,y): ", function(res){
	C = parsePoint(res);
	rl.close();
});
rl.question("Point D (x,y): ", function(res){
	D = parsePoint(res);
	rl.close();
});