old_contents: 'use strict';
  var through = require('through2');
  var formatAddress = require('../lib/formatAddress');
  
  
  module.exports = function(addr, city, state, zip){
    if(!addr) throw new Error('Must provide address at minimum.');
    var args = [addr, city, state, zip];
    var prefix = '';
    var suffix = '';
  
    //Chunk is a GeoJSON feature
    function transform(chunk, enc, cb){
      chunk = JSON.parse(chunk);
      var props = chunk.properties;
      var payload; 
  
      try{ 
        
        var vals = args.map(function(arg){
          if(typeof arg === 'function') return arg(props);
          return props[arg];
        });
  
        payload = {
          type: "Feature",
          properties: {
            address: formatAddress(
                         vals[0],
                         vals[1],
                         vals[2],
                         vals[3]
                         ),
            alt_address: "",
            load_date: Date.now()
            //Source<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
          },
          geometry: {
            type: "Point",
            coordinates: chunk.geometry.coordinates
          }
        };
  
      }catch(e){
        //possibly log the error
        return cb();
      }
      //Elaticsearch bulk wants newline separated values
      this.push(prefix + JSON.stringify(payload) + suffix);
      cb();
    }
  
    return function(pre, suf){
      if(pre) prefix = pre;
      if(suf) suffix = suf;
      return through(transform);
    }
  };
  
new_contents: 'use strict';
  var through = require('through2');
  var formatAddress = require('../lib/formatAddress');
  
  var loadDate = Date.now();
  
  module.exports = function(addr, city, state, zip){
    if(!addr) throw new Error('Must provide address at minimum.');
    var args = [addr, city, state, zip];
    var prefix = '';
    var suffix = '';
  
    //Chunk is a GeoJSON feature
    function transform(chunk, enc, cb){
      chunk = JSON.parse(chunk);
      var props = chunk.properties;
      var payload; 
  
      try{ 
        
        var vals = args.map(function(arg){
          if(typeof arg === 'function') return arg(props);
          return props[arg];
        });
  
        payload = {
          type: "Feature",
          properties: {
            address: formatAddress(
                         vals[0],
                         vals[1],
                         vals[2],
                         vals[3]
                         ),
            alt_address: "",
            load_date: loadDate
            //Source<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
          },
          geometry: {
            type: "Point",
            coordinates: chunk.geometry.coordinates
          }
        };
  
      }catch(e){
        //possibly log the error
        return cb();
      }
      //Elaticsearch bulk wants newline separated values
      this.push(prefix + JSON.stringify(payload) + suffix);
      cb();
    }
  
    return function(pre, suf){
      if(pre) prefix = pre;
      if(suf) suffix = suf;
      return through(transform);
    }
  };
  
subject: Change load date to be constant per loading event