happy birthday henry! run this in node!

happybirthday-henry.js

var msg = msgf();
var fn = msg.split('').slice(msg.length - 12, msg.length).join('');

var jout = process.stdout;
var w = jout.columns;
var msgw = 0;

function repeat(ch, times) {
	var out = [];
	for (var i = 0; i < times; i++) {
		out.push(ch);
	}
	return out.join('');
}

var lines = msg.replace(fn, '').split(/happy10birthday1/g).map(function(line) {
	var out = [];
	line.split(/happy/g).forEach(function(el) {
		var parts = el.split(/birthday/g)
		if (el) {
			out.push({
				c: String[fn](parts[0]),
				t: parts[1]
			});
		}
	});
	return out;
}).map(function(line) {
	var actual = [];
	line.forEach(function(el) {
		actual.push(repeat(el.c, el.t));
	});
	return actual.join('');
});
lines.pop();
lines.forEach(function(line) {
	msgw = line.length;
});
lines.unshift('');

function goto(x, y) {
	jout.write('\033[' + y + ';' + x + 'f');
}

var x = 0;

function draw() {
	jout.write('\033[2J\n');
	goto(1, 1);
	lines.forEach(function(line) {
		jout.write(line.substr(x, w));
		if (x + w >= line.length) {
			jout.write(line.substr(0, w - (msgw - x)));
		}
		jout.write('\n');
	});

	x++;
	x = x % msgw;
}

function render() {
	draw();

	setTimeout(render, 75);
}

draw();
setTimeout(render, 750);

function msgf() {
	return 'happy32birthday1happy95birthday3happy32birthday2happy95birthday3happy32birthday2happy95birthday8happy32birthday2happy95birthday8happy32birthday2happy95birthday8happy32birthday2happy95birthday3happy32birthday4happy95birthday3happy32birthday6happy95birthday8happy32birthday2happy95birthday3happy32birthday2happy95birthday8happy32birthday2happy95birthday9happy32birthday2happy95birthday3happy32birthday2happy95birthday3happy32birthday2happy95birthday8happy32birthday2happy95birthday8happy32birthday6happy95birthday3happy32birthday4happy95birthday3happy32birthday6happy95birthday3happy32birthday2happy95birthday3happy32birthday2happy95birthday7happy32birthday3happy95birthday8happy32birthday3happy95birthday8happy32birthday6happy95birthday3happy32birthday4happy95birthday3happy32birthday1happy95birthday3happy32birthday7happy10birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday2happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday2happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday2happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday2happy47birthday1happy32birthday2happy47birthday1happy124birthday1happy32birthday4happy124birthday1happy92birthday1happy32birthday3happy95birthday2happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday2happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy95birthday3happy32birthday3happy95birthday3happy92birthday2happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday3happy32birthday1happy92birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday2happy32birthday2happy92birthday1happy32birthday4happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday2happy47birthday1happy32birthday2happy47birthday1happy124birthday1happy32birthday4happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy95birthday3happy32birthday1happy92birthday1happy32birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday3happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday3happy95birthday2happy32birthday2happy92birthday1happy32birthday4happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday2happy47birthday1happy32birthday2happy47birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday6happy10birthday1happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday3happy32birthday2happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy47birthday1happy32birthday2happy47birthday1happy32birthday1happy47birthday1happy32birthday4happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday1happy47birthday1happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy95birthday3happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy95birthday1happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday3happy32birthday2happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy95birthday1happy124birthday1happy92birthday1happy32birthday1happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy124birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday3happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy47birthday1happy32birthday2happy47birthday1happy32birthday1happy47birthday1happy32birthday4happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday3happy32birthday2happy92birthday1happy32birthday1happy92birthday1happy32birthday3happy95birthday2happy47birthday1happy124birthday1happy92birthday1happy32birthday1happy92birthday1happy32birthday2happy92birthday2happy32birthday1happy92birthday1happy32birthday2happy92birthday1happy32birthday1happy92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}