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())
}
}原文：http://blog.51cto.com/xwandrew/2064835