Additional Resources
Any language that attracts a following tends to benefit from the
efforts of its user community, because people who use the language
produce code that they make available to others. Perl in particular
is served by an extensive support network designed to provide
external modules that are not distributed with
Perl
itself. This is called the Comprehensive Perl Archive
Network (CPAN), a mechanism for organizing and distributing Perl code
and documentation. CPAN contains modules that allow database access,
web programming, and XML processing, to name a few of direct
relevance to this cookbook. External support exists for the other
languages as well, though none of them currently enjoys the same
level of organization as CPAN. PHP has the PEAR
archive, and Python has a module archive called the Vaults of
Parnassus. For Java, a good starting point is Sun's
Java site. Sites that you can visit to find more information are
shown in the following table.
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