poloniex_curency_values.js

#!/usr/bin/nodejs

var DEFAULT_CURRENCY_PAIR	=  'USDT_DASH';
var DEFAULT_CURRENCY_PROPERTY	=  'last';



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var http	= require('https');

var options	= {
	host: 'poloniex.com',
	path: '/public?command=returnTicker'
};

var req		= http.request(options, callback);
var currency	= process.argv[2] || DEFAULT_CURRENCY_PAIR;
var prop	= process.argv[3] || DEFAULT_CURRENCY_PROPERTY;


req.on('error', function(e) {
	console.error(e);
});
req.end();


function callback(response) {
	var str = '';

	response.on('data', function (chunk) {
		str += chunk;
	});

	response.on('end', function () {
		if (parseInt(response.statusCode) > 400) {
			console.log('An error occured on request. HTTP ERROR CODE:' + response.statusCode);
			return false;
		}

		console.log(JSON.parse(str)[currency][prop]);
	});
}