IdaAshley writes, "Web spiders are software agents that traverse the Internet gathering, filtering, and potentially aggregating information for a user. This article shows you how to build spiders and scrapers for Linux to crawl a Web site and gather information, stock data, in this case. Using common scripting languages and their collection of Web modules, you can easily develop Web spiders."
Economists state their GNP growth projections to the nearest tenth of a
percentage point to prove they have a sense of humor.
-- Edgar R. Fiedler