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The "CPANPLUS" library is an API to the "CPAN" mirrors and a collection of interactive shells, command line programs, daemons, etc, that use this API.

A module that caches a data structure against a filename, statting the file to determine whether it has changed and needs to be re-parsed. You supply a routine to generate the data structure given the filename. This module is recommended for files which change infrequently but are read often, especially if they are expensive to parse. This approach has the advantage over lazy caching that multiple processes holding a cache will all update at the same time so you will not get inconsistent results if you request data from different processes. The module itself is simply a factory for various backend modules. The distribution includes backends for in-memory caching or file caching using Storable, plus an adaptor to use any modules offering the Cache or Cache::Cache interfaces as the cache implementation. Data structures are automatically serialised/deserialised by the backend modules if they are being persisted somewhere other than in memory (e.g. on the filesystem).

The Perl Cache package provides Cache::Cache, a generic interface for creating persistent data stores. This interface is implemented by the Cache::MemoryCache, Cache::SharedMemoryCache, Cache::FileCache, Cache::SizeAwareFileCache, Cache::SizeAwareMemoryCache, and Cache::SizeAwareSharedMemoryCache classes. This work replaces File::Cache and IPC::Cache. -Anton <tobez@FreeBSD.org>

A shared memory cache through an mmap'ed file. It's core is written in C for performance. It uses fcntl locking to ensure multiple processes can safely access the cache at the same time. It uses a basic LRU algorithm to keep the most used entries in the cache.

A simple, fast implementation of an in-memory LRU cache in pure perl with the maximum number of entries to be stored within the cache object.

The Cache modules are designed to assist a developer in persisting data for a specified period of time. Often these modules are used in web applications to store data locally to save repeated and redundant expensive calls to remote machines or databases.

Cairo::GObject registers Cairo's types (Cairo::Context, Cairo::Surface, etc.) with Glib's type systems so that they can be used normally in signals and properties.

When programming with callbacks in perl, you create anonymous functions with sub { ... }. These functions are especially useful because when they are called they will preserve their surrounding lexical environment. Sometimes people call these anonymous functions that reference variables in their surrounding lexical scope "closures". Whatever you call them, they are essential for convenient and efficient asynchronous programming. For many applications we really like straightforward callback style. The goal of Callback::Frame is to simplify the management of dynamic environments while leaving callback style alone.

Capture::Tiny provides a simple, portable way to capture anything sent to STDOUT or STDERR, regardless of whether it comes from Perl, from XS code or from an external program. Optionally, output can be teed so that it is captured while being passed through to the original handles.

This module provides a shared cache, using a memory mapped file. Very useful for mod_perl applications. If routines are provided which interact with the underlying data, access to the cache is completely transparent, and the module handles all the details of refreshing cache contents, and updating underlying data, if necessary.