main.go

package main

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

func main() {
	// Define command-line flags
	urlFlag := flag.String("url", "", "the URL to make an HTTP request to")

	// Parse flags
	flag.Parse()

	// Check if URL flag is set
	if *urlFlag == "" {
		fmt.Println("Please specify a URL using the -url flag")
		return
	}

	// Make HTTP request
	resp, err := http.Get(*urlFlag)
	if err != nil {
		fmt.Printf("Error making HTTP request: %s\n", err.Error())
		return
	}
	defer resp.Body.Close()

	// Read response body
	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		fmt.Printf("Error reading response body: %s\n", err.Error())
		return
	}

	// Print response body
	fmt.Println(string(body))
}