golang 按字符讀取文件

package main import ( "bufio" "fmt" "io/ioutil" "os" "strings" ) func main() { arguments := os.Args if len(arguments) == 1 { fmt.Println("Not enough arguments!") os.Exit(1) } input := arguments[1] buf, err := ioutil.ReadFile(input) if err != nil { fmt.Println(err) os.Exit(1) } in := string(buf) s := bufio.NewScanner(strings.NewReader(in)) s.Split(bufio.ScanRunes) for s.Scan() { fmt.Print(s.Text()) } }