title: Get parameters value from another url
body: <p>In a <code>.cgi</code> file I set  <code>$HTTP_PROXY= '192.168.1.1:80'</code> how can I get <code>192.168.1.1:80</code> from a text file on another host or url (for example line 4 data.txt in <a href="http://url.com/data.txt" rel="nofollow">http://url.com/data.txt</a> ).</p>