whois	Introduction to writing spiders and agents	curluse0

cURL
	cURL (client for URLs) is a command line tool for getting or sending files using URL syntax
		http://curl.haxx.se
		http://curl.sourceforge.net
	Curl supports a range of common Internet protocols, currently including HTTP, HTTPS, FTP, FTPS, GOPHER, LDAP, DICT, TELNET and FILE
	OpenSource (not GPL) and not to be confused with Curl the client-side programming language
		http://www.curl.com