December 2000
Intermediate to advanced
784 pages
20h 54m
English
Content preview from Network Programming with Perl
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Chapter 9. Web Clients
In the previous chapters we reviewed client modules for sending and receiving Internet mail, transferring files via FTP, and interacting with Netnews servers. In this chapter we look at LWP, the Library for Web access in Perl. LWP provides a unified API for interacting with Web, FTP, News and Mail servers, as well as with more obscure services such as Gopher.
With LWP you can (1) request a document from a remote Web server using its URL; (2) POST data to a Web server, emulating the submission of a fill-out form; (3) mirror a document on a remote Web server in such a way that the document is transferred only if it is more recent than the local copy; (4) parse HTML documents to recover links and other interesting features; ...
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