gistfile1.js

function getDirections(data) {

    var responseBody = "";

    requestStr = "/m/directions?dirflg=r&saddr=" + escape(data.from) + "&daddr=" + escape(data.to);
    console.log(requestStr);
    
    var client = http.createClient(80, 'www.google.com');
    var request = client.request('GET', requestStr, {'host': 'www.google.com'});
    request.end();
        
    request.on('response', function (response) {

        response.setEncoding('utf8');
        response.on('data', function (chunk) {
            responseBody += chunk;
        });
        response.on('end', function(data) {
            
            //here i parse data, then i want to return it.
            //but how do i get it to be the return value for getDirections() ?
            //if i return here, it's just the return value of the anonymous function, right?
            
        });
    }); 
    
}