Program to take a fully formed URL and print out the contents

gistfile1.go

package main

import (
	"flag"
	"os"
	"http"
	"fmt"
	"io/ioutil"
)

func main() {
	flag.Parse()
	args := flag.Args()
	if len(args) < 1 {
		fmt.Println("Specify a url.");
		os.Exit(1);
	}

	res, err := http.Get(args[0])
	if err != nil {
		fmt.Println(err.String());
		os.Exit(1);
	}
	defer res.Body.Close()

	// read the entire file into a byte array
	bytes, err := ioutil.ReadAll(res.Body)
	if err != nil {
		fmt.Println(err.String());
		os.Exit(1);
	}

	// print them out
	fmt.Println(string(bytes))
}