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Script Name WWWgrab.pm XML::Node sendmail-cgi.pl a Perl/CGI library to send mail via smtp/sendmail. Also checks for valid mail server hosts. Functional.pm Functional.pm is a Perl module which adds features which make Perl slightly more functional-like by adding more functional-like functions to Perl, such as foldl and foldr, as well as the use of infinite lists. CGI::Minimal CGI::Minimal provides a lightweight alternative to the CGI.pm module shipped with Perl. It is approximately 1/6th the size of CGI.pm but provides largely compatible access to form decoding and a small number of other tasks essential to writing CGI scripts in Perl. Designed for people who are comfortable working closely with the HTTP protocal and writing HTML directly. Supports file uploading as just another transparently decoded form field. Search::InvertedIndex Search::InvertedIndex is A general purpose inverted indexing system suitable for medium scale searching. By mapping 'keys' to 'indexes' it provides ultra-fast look ups of all 'indexes' containing specific 'keys'. This produces highly scalable behavior where thousands, or even millions of records can be searched extremely quickly. Tie::ListKeyedHash This is an experimental Perl module that allows you to use lists as the keys for multi-level hashes. Excellent for parse tree generation and other similar tasks where you need to create very deep trees or the tree depth is not known in advance. A real performance win on very deep trees over 'walking the tree' starting from the root node. Class::ParmList Class::ParmList is a general named parameter list parser. It handles default values, required vs allowed distinctions, optional name lexical checking, multiple retrieval, and error reporting. It also works well as a complement to Class::NamedParms. Tie::DB_File::SplitHash Tie::DB_File::SplitHash is designed for support of file size limitted OSes. It transparently splits a DB_File database into as many distinct files as desired. It also distributes hash entries between the files using a randomization algorithm. It has the effect of allowing DB_File hashes to grow to the full size of the partition. Requires 'Digest::SHA1' and 'DB_File' to be installed. Tie::FileLRUCache Tie::FileLRUCache provides a persistent filesystem based LRU cache. It uses the 'last accessed' timestamp generated by the file system to determine the 'oldest' cache entry and discards the oldest cache entries when needed to stay under the -keep_last limit. If you store thing very fast (such that many entries receive the _same_ time stamp), it is essentially a coin toss which entry within a single timestamped second gets purged from the cache to make room for new ones.

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