runny.js

var util   = require('util'),
	spawn = require('child_process').spawn;

var taskid = 1;
var numtasks = 4;

while (taskid <= numtasks) {

	console.log('Spawning', taskid);
	var task = spawn('python', ['potato.py', '-x', '3', '-n', taskid++])

	task.stdout.on('data', function (data) {
		process.stdout.write(data);
	});

	task.stderr.on('data', function (data) {
		process.stderr.write(data);
	});

	task.on('exit', function (code) {
		console.log('Exit:', code);
	});
}