esri geocoding

var http = require('httpsync')
  , fs = require('fs');

var getLocation = function (address, callback) {
  var url, req, res, results, location; 
  url = 'http://geocode.arcgis.com/arcgis/rest/services/World/GeocodeServer/find?text='+address+'&f=pjson';
  req = http.get(url);
  res = req.end();
  if(JSON.parse(res.data).locations.length > 0 ) {
    results = JSON.parse(res.data).locations[0];
    location = results.feature.geometry;
    callback(location);
  }
};

var json =fs.readFileSync('public/data/farms.json');
var farms = JSON.parse(json.toString()).farms;
farms.forEach(function (d, i) {
  if(d.address.match(/號/) ) {
    getLocation(d.address.replace(/ /g,''), function(location) {
      d.location = location;
      console.log(JSON.stringify(d)+',');
    });
  }
});