read file in go

file_example.go

package main

import (
	"bufio"
	"fmt"
	"log"
	"os"
)

func main() {
	file, err := os.Open("/Users/xiuchen/Projects/chitu/html/name_identify/professional_companyname.txt")
	if err != nil {
		log.Fatal(err)
	}
	defer file.Close()

	scanner := bufio.NewScanner(file)
	for scanner.Scan() {
		fmt.Println(scanner.Text())
		break
	}

	data := ""
	for w, c := range wordCnt {
		data = data + fmt.Sprintf("1 %s %.6f\n", w, float32(c)/float32(totalCnt))
	}
	goPath := os.Getenv("GOPATH")
	goPath = goPath + "/../html/name_identify/data_for_company_name_identify.txt"
	ioutil.WriteFile(goPath, []byte(data), 0644)
	
	if err := scanner.Err(); err != nil {
		log.Fatal(err)
	}
}