01-31-encode-from-shift-jis-to-utf8.go

package main

import (
	"fmt"
	"golang.org/x/text/encoding/japanese"
	"golang.org/x/text/transform"
	"io"
	"log"
	"os"
)

/**
ShiftJIS を UTF-8 に。
 */
func main() {
	currentDir, err := os.Getwd()
	if err != nil {
		log.Fatal(err)
	}
	fmt.Println(currentDir)
	f, err := os.Open("shiftjis.txt")
	defer f.Close()
	if err != nil {
		log.Fatal(err)
	}
	io.Copy(os.Stdout, transform.NewReader(f, japanese.ShiftJIS.NewDecoder()))
}