First attempt at using spider to create a tool to parse a log file I made whilst on vacation

script.spider

/**
 * Date|Long,lat|speed?
 * Example lines (taken from the top of the actual file):
 * 1407084781|42.94662477,-74.36839708|31.25
 * 1407084881|42.93916548,-74.40412034|32.25
 * 1407084927|42.9309027,-74.4175025|33.25
 * 1407085113|42.89578358,-74.47134403|31.0
 */
use :node, __dirname, Date, JSON, parseInt, parseFloat;

var fs = require('fs');
var path = require('path');
var moment = require('moment');

var rawlog = fs.readFileSync(path.join(__dirname, 'loc.log'), 'utf8');

var points = [];
rawlog.split('\n').forEach((line) -> {
  var vars = line.split('|');
  if !vars[1]? { return; }
  points.push({
    timestamp: parseInt(vars[0]),
    lat: parseFloat(vars[1].split(',')[0]),
    long: parseFloat(vars[1].split(',')[1]),
    speed: parseFloat(vars[2])
  });
});
var i = 50;
var extrapoints = [], features = [];
points.map((point) -> {
  i = i + 1;
  extrapoints.push([point.long, point.lat]);
  if (i < 15) {
    return;
  } else {
    i = 0;
  }
  return {
    "type": "Feature",
    "geometry": {
      "type": "Point",
      "coordinates": [point.long, point.lat]
    },
    "properties": {
      "date": moment(point.timestamp*1000).format("dddd, MMMM Do YYYY, h:mm:ss a")
    }
  };
}).concat([{
  "type": "Feature",
  "properties": {},
  "geometry": {
    "type": "LineString",
    "coordinates": extrapoints
  }
}]).forEach((k) -> {
  if k? {
    features.push(k);
  }
});
console.log(JSON.stringify({
  "type": "FeatureCollection",
  "features": features,
}, null, '  '));