Reading records from CSV file

main.go

// :collection Essential Go
package main

import (
    "bytes"
	"encoding/csv"
	"fmt"
	"io"
	"log"
)

var (
    csvData = `date,open,high,low,close,volume,Name
2013-02-08,15.07,15.12,14.63,14.75,8407500,AAL
2013-02-11,14.89,15.01,14.26,14.46,8882000,AAL
2013-02-12,14.45,14.51,14.1,14.27,8126000,AAL
2013-02-13,14.3,14.94,14.25,14.66,10259500,AAL
`)

func main() {
	// :show start
	buf := bytes.NewBufferString(csvData)

	r := csv.NewReader(buf)
	var record []string
	nRecords := 0
	var err error
	for {
		record, err = r.Read()
		if err != nil {
			if err == io.EOF {
				err = nil
			}
			break
		}
		nRecords++
		if nRecords < 5 {
			fmt.Printf("Record: %#v\n", record)
		}
	}
	if err != nil {
		log.Fatalf("r.Read() failed with '%s'\n", err)
	}
	fmt.Printf("Read %d records\n", nRecords)
	// :show end
}