HTTP

HTTP
You are encouraged to solve this task according to the task description, using any language you may know.

Print a URL's content (source code) to the console.

C#

Not tested.

using System;
using System.Net;
using System.Text;

class Program
{
  static void Main()
  {
    string url = "http://www.rosettacode.org/";
    WebClient wc = new WebClient();
    byte[] data = wc.DownloadData(url);
    string content = Encoding.UTF8.GetString(data);
    Console.WriteLine(content);
  }
}

Erlang

Synchronous

-module(main).
-export([main/1]).

main([Url|[]]) ->
   inets:start(),
   case http:request(Url) of
       {ok, {_V, _H, Body}} -> io:fwrite("~p~n",[Body]);
       {error, Res} -> io:fwrite("~p~n", Res)
   end.

Asynchronous

-module(main).
-export([main/1]).

main([Url|[]]) ->
   inets:start(),
   http:request(get, {Url, [] }, [], [{sync, false}]),
   receive
       {http, {_ReqId, Res}} -> io:fwrite("~p~n",[Res]);
       _Any -> io:fwrite("Error: ~p~n",[_Any])
       after 10000 -> io:fwrite("Timed out.~n",[])
   end.

Using it

|escript ./req.erl http://www.rosettacode.org

Java

<java>import java.util.Scanner; import java.net.URL;

public class Main {

    public static void main(String[] args) throws Exception {         
        URL url = new URL("http://www.rosettacode.org");         
        Scanner sc = new Scanner(url.openStream());
        while( sc.hasNext() ) System.out.println(sc.nextLine());         
    }

}</java>

Apache Commons IO

<java>import org.apache.commons.io.IOUtils; import java.net.*;

public class Main {

   public static void main(String[] args) throws Exception {
   	IOUtils.copy(new URL("http://rosettacode.org").openStream(),System.out);    	    	    		    
   }

}</java>

Perl

<perl>using LWP::Simple; print get("http://www.rosettacode.org");</perl>

PHP

<php>print(file_get_contents("http://www.rosettacode.org"));</php>

Python

<python>import urllib url = urllib.urlopen("http://www.rosettacode.org") print url.read() url.close()</python>

<python>import urllib print urllib.urlopen("http://rosettacode.org").read()</python>

Ruby

require 'open-uri' require 'kconv'

puts open("http://rosettacode.org").read

Tcl

package require http
set request [http::geturl "http://www.rosettacode.org"]
puts [http::data $request]