utils.js

grepCommand.on('close', function (code) {
		if (code === 0) {
			var dateFinish = result.replace(/([^]*)(hasta: )([^\n]*)(\n)([^]*)/gm, "$3");
			console.log("DATE: " + dateFinish);
			console.log("keystore is valid");
			deferred.resolve();
		} else {
			console.error("Error validating keystore");
			deferred.reject("Error validating keystore");
		}
	});