b[i] = charset[randSrc.Intn(len(charset))]
	}
	return string(b)
}

func genSampleCSVData(count int) []byte {
	buf := &bytes.Buffer{}
	csvWriter := csv.NewWriter(buf)
	csvWriter.Write([]string{"id", "name", "age", "city"})

	for i := 0; i < count; i++ {
		csvWriter.Write([]string{
			strconv.Itoa(i),
			newRandString(10),
			newRandString(5),
			newRandString(10),
		})
	}

	csvWriter.Flush()
	return buf.Bytes()

40.792312622070313 -73.868507385253906 40.688491821289063 2 16.10 46 0 0.5 0 5.33 51.83 2 75 63 green 0.04 0.0 0.0 62 37 5.37 1267 168 1 Manhattan 016800 1016800 E MN33 East Harlem South 3804 1544 1182.02 3 Brooklyn 118202 3118202 E BK83 Cypress Hills-City Line 4008 3389229 2 2014-03-07 09:46:32 2014-03-07 09:55:01 N 1 -73.952301025390625 40.789798736572266 -73.935806274414062 40.794448852539063 1 1.67 8 0 0.5 2 0 10.5 1 1 75 74 green 0.00 3.9 0.0 37 26 7.83 1267 168 1 Manhattan 016800 1016800 E MN33...

3389229,2,2014-03-07 09:46:32,2014-03-07 09:55:01,N,1,-73.952301025390625,40.789798736572266,-73.935806274414062,40.794448852539063,1,1.67,8,0,0.5,2,0,,,10.5,1,1,75,74,green,0.00,3.9,0.0,37,26,7.83,1267,168,1,Manhattan,016800,1016800,E,MN33,East...