WWW::Mechanize (and alikes) to get webpages,

then htmltreexpather.pl or xpather.pl to give you xpaths to get at the data you want

then give xpaths to HTML::TreeBuilder::XPath or XML::LibXML or XML::XSH2,

examples (and links to ) Re: Perl LWP Router login, Re^2: www::mechanize: second "submit" invisible to find_all_submits, Re: LWP::UserAgent doesn't send my HTTP::Cookies (trace/debug), Re^2: Merging two anchors with HTML::TreeBuilder, examples(for tree-xpath and others)/walkthroughs/tutorials ..., Re: question about lookaheads and threatexpert/html parsing, Re: Encode double encoding?, Re: Parsing XML output from `qstat`,