HTTP
HTTP
You are encouraged to solve this task according to the task description, using any language you may know.
You are encouraged to solve this task according to the task description, using any language you may know.
Print a URL's 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.net.*; import java.io.*;
public class Main {
public static void main(String[] args) throws Exception { URL url = new URL("http://www.rosettacode.org"); InputStreamReader isr = new InputStreamReader(url.openStream()); BufferedReader reader = new BufferedReader(isr); String line = ""; while ( (line = reader.readLine()) != null) { System.out.println(line); } reader.close(); }
}</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 print urllib.urlopen("http://www.rosettacode.org").read()</python>