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PERLMODLIB(1) Perl Programmers Reference Guide PERLMODLIB(1)
NAME
perlmodlib - constructing new Perl modules and finding existing ones
THE PERL MODULE LIBRARY
Many modules are included in the Perl distribution. These are described below, and all end in .pm. You may discover compiled library
files (usually ending in .so) or small pieces of modules to be autoloaded (ending in .al); these were automatically generated by the
installation process. You may also discover files in the library directory that end in either .pl or .ph. These are old libraries
supplied so that old programs that use them still run. The .pl files will all eventually be converted into standard modules, and the .ph
files made by h2ph will probably end up as extension modules made by h2xs. (Some .ph values may already be available through the POSIX,
Errno, or Fcntl modules.) The pl2pm file in the distribution may help in your conversion, but it's just a mechanical process and therefore
far from bulletproof.
Pragmatic Modules
They work somewhat like compiler directives (pragmata) in that they tend to affect the compilation of your program, and thus will usually
work well only when used within a "use", or "no". Most of these are lexically scoped, so an inner BLOCK may countermand them by saying:
no integer;
no strict 'refs';
no warnings;
which lasts until the end of that BLOCK.
Some pragmas are lexically scoped--typically those that affect the $^H hints variable. Others affect the current package instead, like
"use vars" and "use subs", which allow you to predeclare a variables or subroutines within a particular file rather than just a block.
Such declarations are effective for the entire file for which they were declared. You cannot rescind them with "no vars" or "no subs".
The following pragmas are defined (and have their own documentation).
attributes Get/set subroutine or variable attributes
autodie Replace functions with ones that succeed or die with lexical scope
autodie::exception
Exceptions from autodying functions.
autodie::exception::system
Exceptions from autodying system().
autodie::hints
Provide hints about user subroutines to autodie
autouse Postpone load of modules until a function is used
base Establish an ISA relationship with base classes at compile time
bigint Transparent BigInteger support for Perl
bignum Transparent BigNumber support for Perl
bigrat Transparent BigNumber/BigRational support for Perl
blib Use MakeMaker's uninstalled version of a package
bytes Force byte semantics rather than character semantics
charnames Define character names for "N{named}" string literal escapes
constant Declare constants
deprecate Perl pragma for deprecating the core version of a module
diagnostics Produce verbose warning diagnostics
encoding Allows you to write your script in non-ascii or non-utf8
encoding::warnings
Warn on implicit encoding conversions
feature Enable new features
fields Compile-time class fields
filetest Control the filetest permission operators
if "use" a Perl module if a condition holds
inc::latest Use modules bundled in inc/ if they are newer than installed ones
integer Use integer arithmetic instead of floating point
less Request less of something
lib Manipulate @INC at compile time
locale Use and avoid POSIX locales for built-in operations
mro Method Resolution Order
open Set default PerlIO layers for input and output
ops Restrict unsafe operations when compiling
overload Package for overloading Perl operations
overloading Lexically control overloading
parent Establish an ISA relationship with base classes at compile time
re Alter regular expression behaviour
sigtrap Enable simple signal handling
sort Control sort() behaviour
strict Restrict unsafe constructs
subs Predeclare sub names
threads Perl interpreter-based threads
threads::shared
Perl extension for sharing data structures between threads
utf8 Enable/disable UTF-8 (or UTF-EBCDIC) in source code
vars Predeclare global variable names (obsolete)
version Perl extension for Version Objects
vmsish Control VMS-specific language features
warnings Control optional warnings
warnings::register
Warnings import function
Standard Modules
Standard, bundled modules are all expected to behave in a well-defined manner with respect to namespace pollution because they use the
Exporter module. See their own documentation for details.
It's possible that not all modules listed below are installed on your system. For example, the GDBM_File module will not be installed if
you don't have the gdbm library.
AnyDBM_File Provide framework for multiple DBMs
App::Cpan Easily interact with CPAN from the command line
App::Prove Implements the "prove" command.
App::Prove::State
State storage for the "prove" command.
App::Prove::State::Result
Individual test suite results.
App::Prove::State::Result::Test
Individual test results.
Archive::Extract
A generic archive extracting mechanism
Archive::Tar
Module for manipulations of tar archives
Archive::Tar::File
A subclass for in-memory extracted file from Archive::Tar
Attribute::Handlers
Simpler definition of attribute handlers
AutoLoader Load subroutines only on demand
AutoSplit Split a package for autoloading
B The Perl Compiler Backend
B::Concise Walk Perl syntax tree, printing concise info about ops
B::Debug Walk Perl syntax tree, printing debug info about ops
B::Deparse Perl compiler backend to produce perl code
B::Lint Perl lint
B::Lint::Debug
Adds debugging stringification to B::
B::Showlex Show lexical variables used in functions or files
B::Terse Walk Perl syntax tree, printing terse info about ops
B::Xref Generates cross reference reports for Perl programs
Benchmark Benchmark running times of Perl code
CGI Handle Common Gateway Interface requests and responses
CGI::Apache Backward compatibility module for CGI.pm
CGI::Carp CGI routines for writing to the HTTPD (or other) error log
CGI::Cookie Interface to Netscape Cookies
CGI::Fast CGI Interface for Fast CGI
CGI::Pretty Module to produce nicely formatted HTML code
CGI::Push Simple Interface to Server Push
CGI::Switch Backward compatibility module for defunct CGI::Switch
CGI::Util Internal utilities used by CGI module
CORE Pseudo-namespace for Perl's core routines
CPAN Query, download and build perl modules from CPAN sites
CPAN::API::HOWTO
A recipe book for programming with CPAN.pm
CPAN::Distroprefs
Read and match distroprefs
CPAN::FirstTime
Utility for CPAN::Config file Initialization
CPAN::Kwalify
Interface between CPAN.pm and Kwalify.pm
CPAN::Nox Wrapper around CPAN.pm without using any XS module
CPAN::Version
Utility functions to compare CPAN versions
CPANPLUS API & CLI access to the CPAN mirrors
CPANPLUS::Dist::Base
Base class for custom distribution classes
CPANPLUS::Dist::Build
CPANPLUS plugin to install packages that use Build.PL
CPANPLUS::Dist::Build::Constants
Constants for CPANPLUS::Dist::Build
CPANPLUS::Dist::Sample
Sample code to create your own Dist::* plugin
CPANPLUS::Internals::Source::Memory
In memory implementation
CPANPLUS::Internals::Source::SQLite
SQLite implementation
CPANPLUS::Shell::Classic
CPAN.pm emulation for CPANPLUS
CPANPLUS::Shell::Default::Plugins::HOWTO
Documentation on how to write your own plugins
Carp Warn of errors (from perspective of caller)
Class::ISA Report the search path for a class's ISA tree
Class::Struct
Declare struct-like datatypes as Perl classes
Compress::Raw::Bzip2
Low-Level Interface to bzip2 compression library
Compress::Raw::Bzip2::FAQ
Frequently Asked Questions about Compress::Raw::Bzip2
Compress::Raw::Zlib
Low-Level Interface to zlib compression library
Compress::Raw::Zlib::FAQ
Frequently Asked Questions about Compress::Raw::Zlib
Compress::Zlib
Interface to zlib compression library
Config Access Perl configuration information
Cwd Get pathname of current working directory
DB Programmatic interface to the Perl debugging API
DBM_Filter Filter DBM keys/values
DBM_Filter::compress
Filter for DBM_Filter
DBM_Filter::encode
Filter for DBM_Filter
DBM_Filter::int32
Filter for DBM_Filter
DBM_Filter::null
Filter for DBM_Filter
DBM_Filter::utf8
Filter for DBM_Filter
DB_File Perl5 access to Berkeley DB version 1.x
Data::Dumper
Stringified perl data structures, suitable for both printing and "eval"
Devel::DProf
A Perl code profiler
Devel::InnerPackage
Find all the inner packages of a package
Devel::PPPort
Perl/Pollution/Portability
Devel::Peek A data debugging tool for the XS programmer
Devel::SelfStubber
Generate stubs for a SelfLoading module
Digest Modules that calculate message digests
Digest::MD5 Perl interface to the MD5 Algorithm
Digest::SHA Perl extension for SHA-1/224/256/384/512
Digest::base
Digest base class
Digest::file
Calculate digests of files
DirHandle Supply object methods for directory handles
Dumpvalue Provides screen dump of Perl data.
DynaLoader Dynamically load C libraries into Perl code
Encode Character encodings
Encode::Alias
Alias definitions to encodings
Encode::Byte
Single Byte Encodings
Encode::CJKConstants
Internally used by Encode::??::ISO_2022_*
Encode::CN China-based Chinese Encodings
Encode::CN::HZ
Internally used by Encode::CN
Encode::Config
Internally used by Encode
Encode::EBCDIC
EBCDIC Encodings
Encode::Encoder
Object Oriented Encoder
Encode::Encoding
Encode Implementation Base Class
Encode::GSM0338
ESTI GSM 03.38 Encoding
Encode::Guess
Guesses encoding from data
Encode::JP Japanese Encodings
Encode::JP::H2Z
Internally used by Encode::JP::2022_JP*
Encode::JP::JIS7
Internally used by Encode::JP
Encode::KR Korean Encodings
Encode::KR::2022_KR
Internally used by Encode::KR
Encode::MIME::Header
MIME 'B' and 'Q' header encoding
Encode::MIME::Name
Internally used by Encode
Encode::PerlIO
A detailed document on Encode and PerlIO
Encode::Supported
Encodings supported by Encode
Encode::Symbol
Symbol Encodings
Encode::TW Taiwan-based Chinese Encodings
Encode::Unicode
Various Unicode Transformation Formats
Encode::Unicode::UTF7
UTF-7 encoding
English Use nice English (or awk) names for ugly punctuation variables
Env Perl module that imports environment variables as scalars or arrays
Errno System errno constants
Exporter Implements default import method for modules
Exporter::Heavy
Exporter guts
ExtUtils::CBuilder
Compile and link C code for Perl modules
ExtUtils::CBuilder::Platform::Windows
Builder class for Windows platforms
ExtUtils::Command
Utilities to replace common UNIX commands in Makefiles etc.
ExtUtils::Command::MM
Commands for the MM's to use in Makefiles
ExtUtils::Constant
Generate XS code to import C header constants
ExtUtils::Constant::Base
Base class for ExtUtils::Constant objects
ExtUtils::Constant::Utils
Helper functions for ExtUtils::Constant
ExtUtils::Constant::XS
Generate C code for XS modules' constants.
ExtUtils::Embed
Utilities for embedding Perl in C/C++ applications
ExtUtils::Install
Install files from here to there
ExtUtils::Installed
Inventory management of installed modules
ExtUtils::Liblist
Determine libraries to use and how to use them
ExtUtils::MM
OS adjusted ExtUtils::MakeMaker subclass
ExtUtils::MM_AIX
AIX specific subclass of ExtUtils::MM_Unix
ExtUtils::MM_Any
Platform-agnostic MM methods
ExtUtils::MM_BeOS
Methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_Cygwin
Methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_DOS
DOS specific subclass of ExtUtils::MM_Unix
ExtUtils::MM_Darwin
Special behaviors for OS X
ExtUtils::MM_MacOS
Once produced Makefiles for MacOS Classic
ExtUtils::MM_NW5
Methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_OS2
Methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_QNX
QNX specific subclass of ExtUtils::MM_Unix
ExtUtils::MM_UWIN
U/WIN specific subclass of ExtUtils::MM_Unix
ExtUtils::MM_Unix
Methods used by ExtUtils::MakeMaker
ExtUtils::MM_VMS
Methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_VOS
VOS specific subclass of ExtUtils::MM_Unix
ExtUtils::MM_Win32
Methods to override UN*X behaviour in ExtUtils::MakeMaker
ExtUtils::MM_Win95
Method to customize MakeMaker for Win9X
ExtUtils::MY
ExtUtils::MakeMaker subclass for customization
ExtUtils::MakeMaker
Create a module Makefile
ExtUtils::MakeMaker::Config
Wrapper around Config.pm
ExtUtils::MakeMaker::FAQ
Frequently Asked Questions About MakeMaker
ExtUtils::MakeMaker::Tutorial
Writing a module with MakeMaker
ExtUtils::Manifest
Utilities to write and check a MANIFEST file
ExtUtils::Mkbootstrap
Make a bootstrap file for use by DynaLoader
ExtUtils::Mksymlists
Write linker options files for dynamic extension
ExtUtils::Packlist
Manage .packlist files
ExtUtils::ParseXS
Converts Perl XS code into C code
ExtUtils::XSSymSet
Keep sets of symbol names palatable to the VMS linker
ExtUtils::testlib
Add blib/* directories to @INC
Fatal Replace functions with equivalents which succeed or die
Fcntl Load the C Fcntl.h defines
File::Basename
Parse file paths into directory, filename and suffix.
File::CheckTree
Run many filetest checks on a tree
File::Compare
Compare files or filehandles
File::Copy Copy files or filehandles
File::DosGlob
DOS like globbing and then some
File::Fetch A generic file fetching mechanism
File::Find Traverse a directory tree.
File::Glob Perl extension for BSD glob routine
File::GlobMapper
Extend File Glob to Allow Input and Output Files
File::Path Create or remove directory trees
File::Spec Portably perform operations on file names
File::Spec::Cygwin
Methods for Cygwin file specs
File::Spec::Epoc
Methods for Epoc file specs
File::Spec::Functions
Portably perform operations on file names
File::Spec::Mac
File::Spec for Mac OS (Classic)
File::Spec::OS2
Methods for OS/2 file specs
File::Spec::Unix
File::Spec for Unix, base for other File::Spec modules
File::Spec::VMS
Methods for VMS file specs
File::Spec::Win32
Methods for Win32 file specs
File::Temp Return name and handle of a temporary file safely
File::stat By-name interface to Perl's built-in stat() functions
FileCache Keep more files open than the system permits
FileHandle Supply object methods for filehandles
Filter::Simple
Simplified source filtering
Filter::Util::Call
Perl Source Filter Utility Module
FindBin Locate directory of original perl script
GDBM_File Perl5 access to the gdbm library.
Getopt::Long
Extended processing of command line options
Getopt::Std Process single-character switches with switch clustering
Hash::Util A selection of general-utility hash subroutines
Hash::Util::FieldHash
Support for Inside-Out Classes
I18N::Collate
Compare 8-bit scalar data according to the current locale
I18N::LangTags
Functions for dealing with RFC3066-style language tags
I18N::LangTags::Detect
Detect the user's language preferences
I18N::LangTags::List
Tags and names for human languages
I18N::Langinfo
Query locale information
IO Load various IO modules
IO::Compress::Base
Base Class for IO::Compress modules
IO::Compress::Bzip2
Write bzip2 files/buffers
IO::Compress::Deflate
Write RFC 1950 files/buffers
IO::Compress::FAQ
Frequently Asked Questions about IO::Compress
IO::Compress::Gzip
Write RFC 1952 files/buffers
IO::Compress::RawDeflate
Write RFC 1951 files/buffers
IO::Compress::Zip
Write zip files/buffers
IO::Dir Supply object methods for directory handles
IO::File Supply object methods for filehandles
IO::Handle Supply object methods for I/O handles
IO::Pipe Supply object methods for pipes
IO::Poll Object interface to system poll call
IO::Seekable
Supply seek based methods for I/O objects
IO::Select OO interface to the select system call
IO::Socket Object interface to socket communications
IO::Socket::INET
Object interface for AF_INET domain sockets
IO::Socket::UNIX
Object interface for AF_UNIX domain sockets
IO::Uncompress::AnyInflate
Uncompress zlib-based (zip, gzip) file/buffer
IO::Uncompress::AnyUncompress
Uncompress gzip, zip, bzip2 or lzop file/buffer
IO::Uncompress::Base
Base Class for IO::Uncompress modules
IO::Uncompress::Bunzip2
Read bzip2 files/buffers
IO::Uncompress::Gunzip
Read RFC 1952 files/buffers
IO::Uncompress::Inflate
Read RFC 1950 files/buffers
IO::Uncompress::RawInflate
Read RFC 1951 files/buffers
IO::Uncompress::Unzip
Read zip files/buffers
IO::Zlib IO:: style interface to Compress::Zlib
IPC::Cmd Finding and running system commands made easy
IPC::Msg SysV Msg IPC object class
IPC::Open2 Open a process for both reading and writing using open2()
IPC::Open3 Open a process for reading, writing, and error handling using open3()
IPC::Semaphore
SysV Semaphore IPC object class
IPC::SharedMem
SysV Shared Memory IPC object class
IPC::SysV System V IPC constants and system calls
List::Util A selection of general-utility list subroutines
List::Util::XS
Indicate if List::Util was compiled with a C compiler
Locale::Constants
Constants for Locale codes
Locale::Country
ISO codes for country identification (ISO 3166)
Locale::Currency
ISO three letter codes for currency identification (ISO 4217)
Locale::Language
ISO two letter codes for language identification (ISO 639)
Locale::Maketext
Framework for localization
Locale::Maketext::Simple
Simple interface to Locale::Maketext::Lexicon
Locale::Maketext::TPJ13
Article about software localization
Locale::Script
ISO codes for script identification (ISO 15924)
Log::Message
A generic message storing mechanism;
Log::Message::Config
Configuration options for Log::Message
Log::Message::Handlers
Message handlers for Log::Message
Log::Message::Item
Message objects for Log::Message
Log::Message::Simple
Simplified interface to Log::Message
MIME::Base64
Encoding and decoding of base64 strings
MIME::QuotedPrint
Encoding and decoding of quoted-printable strings
Math::BigFloat
Arbitrary size floating point math package
Math::BigInt
Arbitrary size integer/float math package
Math::BigInt::Calc
Pure Perl module to support Math::BigInt
Math::BigInt::CalcEmu
Emulate low-level math with BigInt code
Math::BigInt::FastCalc
Math::BigInt::Calc with some XS for more speed
Math::BigRat
Arbitrary big rational numbers
Math::Complex
Complex numbers and associated mathematical functions
Math::Trig Trigonometric functions
Memoize Make functions faster by trading space for time
Memoize::AnyDBM_File
Glue to provide EXISTS for AnyDBM_File for Storable use
Memoize::Expire
Plug-in module for automatic expiration of memoized values
Memoize::ExpireFile
Test for Memoize expiration semantics
Memoize::ExpireTest
Test for Memoize expiration semantics
Memoize::NDBM_File
Glue to provide EXISTS for NDBM_File for Storable use
Memoize::SDBM_File
Glue to provide EXISTS for SDBM_File for Storable use
Memoize::Storable
Store Memoized data in Storable database
Module::Build
Build and install Perl modules
Module::Build::API
API Reference for Module Authors
Module::Build::Authoring
Authoring Module::Build modules
Module::Build::Base
Default methods for Module::Build
Module::Build::Bundling
How to bundle Module::Build with a distribution
Module::Build::Compat
Compatibility with ExtUtils::MakeMaker
Module::Build::ConfigData
Configuration for Module::Build
Module::Build::Cookbook
Examples of Module::Build Usage
Module::Build::ModuleInfo
Gather package and POD information from a perl module file
Module::Build::Notes
Create persistent distribution configuration modules
Module::Build::PPMMaker
Perl Package Manager file creation
Module::Build::Platform::Amiga
Builder class for Amiga platforms
Module::Build::Platform::Default
Stub class for unknown platforms
Module::Build::Platform::EBCDIC
Builder class for EBCDIC platforms
Module::Build::Platform::MPEiX
Builder class for MPEiX platforms
Module::Build::Platform::MacOS
Builder class for MacOS platforms
Module::Build::Platform::RiscOS
Builder class for RiscOS platforms
Module::Build::Platform::Unix
Builder class for Unix platforms
Module::Build::Platform::VMS
Builder class for VMS platforms
Module::Build::Platform::VOS
Builder class for VOS platforms
Module::Build::Platform::Windows
Builder class for Windows platforms
Module::Build::Platform::aix
Builder class for AIX platform
Module::Build::Platform::cygwin
Builder class for Cygwin platform
Module::Build::Platform::darwin
Builder class for Mac OS X platform
Module::Build::Platform::os2
Builder class for OS/2 platform
Module::CoreList
What modules shipped with versions of perl
Module::Load
Runtime require of both modules and files
Module::Load::Conditional
Looking up module information / loading at runtime
Module::Loaded
Mark modules as loaded or unloaded
Module::Pluggable
Automatically give your module the ability to have plugins
Module::Pluggable::Object
Automatically give your module the ability to have plugins
NDBM_File Tied access to ndbm files
NEXT Provide a pseudo-class NEXT (et al) that allows method redispatch
Net::Cmd Network Command class (as used by FTP, SMTP etc)
Net::Config Local configuration data for libnet
Net::Domain Attempt to evaluate the current host's internet name and domain
Net::FTP FTP Client class
Net::NNTP NNTP Client class
Net::Netrc OO interface to users netrc file
Net::POP3 Post Office Protocol 3 Client class (RFC1939)
Net::Ping Check a remote host for reachability
Net::SMTP Simple Mail Transfer Protocol Client
Net::Time Time and daytime network client interface
Net::hostent
By-name interface to Perl's built-in gethost*() functions
Net::libnetFAQ
Libnet Frequently Asked Questions
Net::netent By-name interface to Perl's built-in getnet*() functions
Net::protoent
By-name interface to Perl's built-in getproto*() functions
Net::servent
By-name interface to Perl's built-in getserv*() functions
O Generic interface to Perl Compiler backends
ODBM_File Tied access to odbm files
Object::Accessor
Interface to create per object accessors
Opcode Disable named opcodes when compiling perl code
POSIX Perl interface to IEEE Std 1003.1
Package::Constants
List all constants declared in a package
Params::Check
A generic input parsing/checking mechanism.
Parse::CPAN::Meta
Parse META.yml and other similar CPAN metadata files
PerlIO On demand loader for PerlIO layers and root of PerlIO::* name space
PerlIO::encoding
Encoding layer
PerlIO::scalar
In-memory IO, scalar IO
PerlIO::via Helper class for PerlIO layers implemented in perl
PerlIO::via::QuotedPrint
PerlIO layer for quoted-printable strings
Pod::Checker
Check pod documents for syntax errors
Pod::Escapes
For resolving Pod E<...> sequences
Pod::Find Find POD documents in directory trees
Pod::Functions
Group Perl's functions a la perlfunc.pod
Pod::Html Module to convert pod files to HTML
Pod::InputObjects
Objects representing POD input paragraphs, commands, etc.
Pod::LaTeX Convert Pod data to formatted Latex
Pod::Man Convert POD data to formatted *roff input
Pod::ParseLink
Parse an L<> formatting code in POD text
Pod::ParseUtils
Helpers for POD parsing and conversion
Pod::Parser Base class for creating POD filters and translators
Pod::Perldoc
Look up Perl documentation in Pod format.
Pod::Perldoc::BaseTo
Base for Pod::Perldoc formatters
Pod::Perldoc::GetOptsOO
Customized option parser for Pod::Perldoc
Pod::Perldoc::ToChecker
Let Perldoc check Pod for errors
Pod::Perldoc::ToMan
Let Perldoc render Pod as man pages
Pod::Perldoc::ToNroff
Let Perldoc convert Pod to nroff
Pod::Perldoc::ToPod
Let Perldoc render Pod as ... Pod!
Pod::Perldoc::ToRtf
Let Perldoc render Pod as RTF
Pod::Perldoc::ToText
Let Perldoc render Pod as plaintext
Pod::Perldoc::ToTk
Let Perldoc use Tk::Pod to render Pod
Pod::Perldoc::ToXml
Let Perldoc render Pod as XML
Pod::PlainText
Convert POD data to formatted ASCII text
Pod::Plainer
Perl extension for converting Pod to old-style Pod.
Pod::Select Extract selected sections of POD from input
Pod::Simple Framework for parsing Pod
Pod::Simple::Checker
Check the Pod syntax of a document
Pod::Simple::Debug
Put Pod::Simple into trace/debug mode
Pod::Simple::DumpAsText
Dump Pod-parsing events as text
Pod::Simple::DumpAsXML
Turn Pod into XML
Pod::Simple::HTML
Convert Pod to HTML
Pod::Simple::HTMLBatch
Convert several Pod files to several HTML files
Pod::Simple::LinkSection
Represent "section" attributes of L codes
Pod::Simple::Methody
Turn Pod::Simple events into method calls
Pod::Simple::PullParser
A pull-parser interface to parsing Pod
Pod::Simple::PullParserEndToken
End-tokens from Pod::Simple::PullParser
Pod::Simple::PullParserStartToken
Start-tokens from Pod::Simple::PullParser
Pod::Simple::PullParserTextToken
Text-tokens from Pod::Simple::PullParser
Pod::Simple::PullParserToken
Tokens from Pod::Simple::PullParser
Pod::Simple::RTF
Format Pod as RTF
Pod::Simple::Search
Find POD documents in directory trees
Pod::Simple::SimpleTree
Parse Pod into a simple parse tree
Pod::Simple::Subclassing
Write a formatter as a Pod::Simple subclass
Pod::Simple::Text
Format Pod as plaintext
Pod::Simple::TextContent
Get the text content of Pod
Pod::Simple::XHTML
Format Pod as validating XHTML
Pod::Simple::XMLOutStream
Turn Pod into XML
Pod::Text Convert POD data to formatted ASCII text
Pod::Text::Color
Convert POD data to formatted color ASCII text
Pod::Text::Termcap
Convert POD data to ASCII text with format escapes
Pod::Usage Print a usage message from embedded pod documentation
SDBM_File Tied access to sdbm files
Safe Compile and execute code in restricted compartments
Scalar::Util
A selection of general-utility scalar subroutines
Search::Dict
Search for key in dictionary file
SelectSaver Save and restore selected file handle
SelfLoader Load functions only on demand
Shell Run shell commands transparently within perl
Socket Load the C socket.h defines and structure manipulators
Storable Persistence for Perl data structures
Switch A switch statement for Perl
Symbol Manipulate Perl symbols and their names
Sys::Hostname
Try every conceivable way to get hostname
Sys::Syslog Perl interface to the UNIX syslog(3) calls
Sys::Syslog::Win32
Win32 support for Sys::Syslog
TAP::Base Base class that provides common functionality to TAP::Parser
TAP::Formatter::Color
Run Perl test scripts with color
TAP::Formatter::Console
Harness output delegate for default console output
TAP::Formatter::Console
Harness output delegate for default console output
TAP::Formatter::Console::ParallelSession
Harness output delegate for parallel console output
TAP::Formatter::Console::Session
Harness output delegate for default console output
TAP::Formatter::File
Harness output delegate for file output
TAP::Formatter::File::Session
Harness output delegate for file output
TAP::Formatter::Session
Abstract base class for harness output delegate
TAP::Harness
Run test scripts with statistics
TAP::Object Base class that provides common functionality to all "TAP::*" modules
TAP::Parser Parse TAP output
TAP::Parser::Aggregator
Aggregate TAP::Parser results
TAP::Parser::Grammar
A grammar for the Test Anything Protocol.
TAP::Parser::Iterator
Internal base class for TAP::Parser Iterators
TAP::Parser::Iterator::Array
Internal TAP::Parser array Iterator
TAP::Parser::Iterator::Process
Internal TAP::Parser Iterator
TAP::Parser::Iterator::Stream
Internal TAP::Parser Iterator
TAP::Parser::IteratorFactory
Internal TAP::Parser Iterator
TAP::Parser::Multiplexer
Multiplex multiple TAP::Parsers
TAP::Parser::Result
Base class for TAP::Parser output objects
TAP::Parser::Result::Bailout
Bailout result token.
TAP::Parser::Result::Comment
Comment result token.
TAP::Parser::Result::Plan
Plan result token.
TAP::Parser::Result::Pragma
TAP pragma token.
TAP::Parser::Result::Test
Test result token.
TAP::Parser::Result::Unknown
Unknown result token.
TAP::Parser::Result::Version
TAP syntax version token.
TAP::Parser::Result::YAML
YAML result token.
TAP::Parser::ResultFactory
Factory for creating TAP::Parser output objects
TAP::Parser::Scheduler
Schedule tests during parallel testing
TAP::Parser::Scheduler::Job
A single testing job.
TAP::Parser::Scheduler::Spinner
A no-op job.
TAP::Parser::Source
Stream output from some source
TAP::Parser::Source::Perl
Stream Perl output
TAP::Parser::Utils
Internal TAP::Parser utilities
TAP::Parser::YAMLish::Reader
Read YAMLish data from iterator
TAP::Parser::YAMLish::Writer
Write YAMLish data
Term::ANSIColor
Color screen output using ANSI escape sequences
Term::Cap Perl termcap interface
Term::Complete
Perl word completion module
Term::ReadLine
Perl interface to various "readline" packages.
Term::UI Term::ReadLine UI made easy
Test Provides a simple framework for writing test scripts
Test::Builder
Backend for building test libraries
Test::Builder::Module
Base class for test modules
Test::Builder::Tester
Test testsuites that have been built with
Test::Builder::Tester::Color
Turn on colour in Test::Builder::Tester
Test::Harness
Run Perl standard test scripts with statistics
Test::More Yet another framework for writing test scripts
Test::Simple
Basic utilities for writing tests.
Test::Tutorial
A tutorial about writing really basic tests
Text::Abbrev
Create an abbreviation table from a list
Text::Balanced
Extract delimited text sequences from strings.
Text::ParseWords
Parse text into an array of tokens or array of arrays
Text::Soundex
Implementation of the soundex algorithm.
Text::Tabs Expand and unexpand tabs per the unix expand(1) and unexpand(1)
Text::Wrap Line wrapping to form simple paragraphs
Thread Manipulate threads in Perl (for old code only)
Thread::Queue
Thread-safe queues
Thread::Semaphore
Thread-safe semaphores
Tie::Array Base class for tied arrays
Tie::File Access the lines of a disk file via a Perl array
Tie::Handle Base class definitions for tied handles
Tie::Hash Base class definitions for tied hashes
Tie::Hash::NamedCapture
Named regexp capture buffers
Tie::Memoize
Add data to hash when needed
Tie::RefHash
Use references as hash keys
Tie::Scalar Base class definitions for tied scalars
Tie::StdHandle
Base class definitions for tied handles
Tie::SubstrHash
Fixed-table-size, fixed-key-length hashing
Time::HiRes High resolution alarm, sleep, gettimeofday, interval timers
Time::Local Efficiently compute time from local and GMT time
Time::Piece Object Oriented time objects
Time::Seconds
A simple API to convert seconds to other date values
Time::gmtime
By-name interface to Perl's built-in gmtime() function
Time::localtime
By-name interface to Perl's built-in localtime() function
Time::tm Internal object used by Time::gmtime and Time::localtime
UNIVERSAL Base class for ALL classes (blessed references)
Unicode::Collate
Unicode Collation Algorithm
Unicode::Normalize
Unicode Normalization Forms
Unicode::UCD
Unicode character database
User::grent By-name interface to Perl's built-in getgr*() functions
User::pwent By-name interface to Perl's built-in getpw*() functions
VMS::DCLsym Perl extension to manipulate DCL symbols
VMS::Stdio Standard I/O functions via VMS extensions
Win32API::File
Low-level access to Win32 system API calls for files/dirs.
Win32CORE Win32 CORE function stubs
XS::APItest Test the perl C API
XS::APItest::KeywordRPN
Write arithmetic expressions in RPN
XS::Typemap Module to test the XS typemaps distributed with perl
XSLoader Dynamically load C libraries into Perl code
version::Internals
Perl extension for Version Objects
To find out all modules installed on your system, including those without documentation or outside the standard release, just use the
following command (under the default win32 shell, double quotes should be used instead of single quotes).
% perl -MFile::Find=find -MFile::Spec::Functions -Tlwe
'find { wanted => sub { print canonpath $_ if /.pmz/ },
no_chdir => 1 }, @INC'
(The -T is here to prevent '.' from being listed in @INC.) They should all have their own documentation installed and accessible via your
system man(1) command. If you do not have a find program, you can use the Perl find2perl program instead, which generates Perl code as
output you can run through perl. If you have a man program but it doesn't find your modules, you'll have to fix your manpath. See perl
for details. If you have no system man command, you might try the perldoc program.
Note also that the command "perldoc perllocal" gives you a (possibly incomplete) list of the modules that have been further installed on
your system. (The perllocal.pod file is updated by the standard MakeMaker install process.)
Extension Modules
Extension modules are written in C (or a mix of Perl and C). They are usually dynamically loaded into Perl if and when you need them, but
may also be linked in statically. Supported extension modules include Socket, Fcntl, and POSIX.
Many popular C extension modules do not come bundled (at least, not completely) due to their sizes, volatility, or simply lack of time for
adequate testing and configuration across the multitude of platforms on which Perl was beta-tested. You are encouraged to look for them on
CPAN (described below), or using web search engines like Alta Vista or Google.
CPAN
CPAN stands for Comprehensive Perl Archive Network; it's a globally replicated trove of Perl materials, including documentation, style
guides, tricks and traps, alternate ports to non-Unix systems and occasional binary distributions for these. Search engines for CPAN can
be found at http://www.cpan.org/
Most importantly, CPAN includes around a thousand unbundled modules, some of which require a C compiler to build. Major categories of
modules are:
o Language Extensions and Documentation Tools
o Development Support
o Operating System Interfaces
o Networking, Device Control (modems) and InterProcess Communication
o Data Types and Data Type Utilities
o Database Interfaces
o User Interfaces
o Interfaces to / Emulations of Other Programming Languages
o File Names, File Systems and File Locking (see also File Handles)
o String Processing, Language Text Processing, Parsing, and Searching
o Option, Argument, Parameter, and Configuration File Processing
o Internationalization and Locale
o Authentication, Security, and Encryption
o World Wide Web, HTML, HTTP, CGI, MIME
o Server and Daemon Utilities
o Archiving and Compression
o Images, Pixmap and Bitmap Manipulation, Drawing, and Graphing
o Mail and Usenet News
o Control Flow Utilities (callbacks and exceptions etc)
o File Handle and Input/Output Stream Utilities
o Miscellaneous Modules
The list of the registered CPAN sites follows. Please note that the sorting order is alphabetical on fields:
Continent
|
|-->Country
|
|-->[state/province]
|
|-->ftp
|
|-->[http]
and thus the North American servers happen to be listed between the European and the South American sites.
Registered CPAN sites
Africa
South Africa
http://cpan.mirror.ac.za/
ftp://cpan.mirror.ac.za/
http://mirror.is.co.za/pub/cpan/
ftp://ftp.is.co.za/pub/cpan/
ftp://ftp.saix.net/pub/CPAN/
Asia
Hong Kong
http://ftp.cuhk.edu.hk/pub/packages/perl/CPAN/
ftp://ftp.cuhk.edu.hk/pub/packages/perl/CPAN/
http://mirrors.geoexpat.com/cpan/
India
http://perlmirror.indialinks.com/
Indonesia
http://cpan.biz.net.id/
http://komo.vlsm.org/CPAN/
ftp://komo.vlsm.org/CPAN/
http://cpan.pesat.net.id/
http://mirror.unej.ac.id/cpan/
ftp://mirror.unej.ac.id/cpan/
Japan
ftp://ftp.u-aizu.ac.jp/pub/CPAN
ftp://ftp.kddilabs.jp/CPAN/
http://ftp.nara.wide.ad.jp/pub/CPAN/
ftp://ftp.nara.wide.ad.jp/pub/CPAN/
http://ftp.jaist.ac.jp/pub/CPAN/
ftp://ftp.jaist.ac.jp/pub/CPAN/
ftp://ftp.dti.ad.jp/pub/lang/CPAN/
ftp://ftp.ring.gr.jp/pub/lang/perl/CPAN/
http://ftp.riken.jp/lang/CPAN/
ftp://ftp.riken.jp/lang/CPAN/
http://ftp.yz.yamagata-u.ac.jp/pub/lang/cpan/
ftp://ftp.yz.yamagata-u.ac.jp/pub/lang/cpan/
Kazakhstan
http://mirror.linuxiso.kz/CPAN/
Republic of Korea
http://ftp.kaist.ac.kr/pub/CPAN
ftp://ftp.kaist.ac.kr/pub/CPAN
http://cpan.mirror.cdnetworks.com/
ftp://cpan.mirror.cdnetworks.com/CPAN/
http://cpan.sarang.net/
ftp://cpan.sarang.net/CPAN/
Russia
http://cpan.tomsk.ru/
ftp://cpan.tomsk.ru/
Singapore
http://mirror.averse.net/pub/CPAN
ftp://mirror.averse.net/pub/CPAN
http://cpan.mirror.choon.net/
http://cpan.oss.eznetsols.org
ftp://ftp.oss.eznetsols.org/cpan
Taiwan
http://ftp.cse.yzu.edu.tw/pub/CPAN/
ftp://ftp.cse.yzu.edu.tw/pub/CPAN/
http://cpan.nctu.edu.tw/
ftp://cpan.nctu.edu.tw/
ftp://ftp.ncu.edu.tw/CPAN/
http://cpan.cdpa.nsysu.edu.tw/
ftp://cpan.cdpa.nsysu.edu.tw/Unix/Lang/CPAN/
http://cpan.stu.edu.tw
ftp://ftp.stu.edu.tw/CPAN
http://ftp.stu.edu.tw/CPAN
ftp://ftp.stu.edu.tw/pub/CPAN
http://cpan.cs.pu.edu.tw/
ftp://cpan.cs.pu.edu.tw/pub/CPAN
Thailand
http://mirrors.issp.co.th/cpan/
ftp://mirrors.issp.co.th/cpan/
Turkey
http://cpan.gazi.edu.tr/
http://cpan.ulak.net.tr
ftp://ftp.ulak.net.tr/pub/CPAN
Viet Nam
http://mirror-fpt-telecom.fpt.net/cpan/
ftp://mirror-fpt-telecom.fpt.net/cpan/
Central America
Costa Rica
http://mirrors.ucr.ac.cr/CPAN/
ftp://mirrors.ucr.ac.cr/CPAN/
Europe
Austria
http://cpan.inode.at/
ftp://cpan.inode.at
http://gd.tuwien.ac.at/languages/perl/CPAN/
ftp://gd.tuwien.ac.at/pub/CPAN/
Belgium
http://ftp.belnet.be/mirror/ftp.cpan.org/
ftp://ftp.belnet.be/mirror/ftp.cpan.org/
http://ftp.easynet.be/pub/CPAN/
http://cpan.weepee.org/
http://cpan.fluoline.net/
Bosnia and Herzegovina
http://cpan.blic.net/
Bulgaria
http://cpan.cbox.biz/
ftp://cpan.cbox.biz/cpan/
http://cpan.digsys.bg/
ftp://ftp.digsys.bg/pub/CPAN
Croatia
http://ftp.carnet.hr/pub/CPAN/
ftp://ftp.carnet.hr/pub/CPAN/
Czech Republic
ftp://ftp.fi.muni.cz/pub/CPAN/
http://archive.cpan.cz/
Denmark
http://mirrors.dotsrc.org/cpan
ftp://mirrors.dotsrc.org/cpan/
http://www.cpan.dk/
http://mirror.uni-c.dk/pub/CPAN/
Finland
ftp://ftp.funet.fi/pub/languages/perl/CPAN/
http://mirror.eunet.fi/CPAN
France
http://cpan.enstimac.fr/
ftp://ftp.inria.fr/pub/CPAN/
http://distrib-coffee.ipsl.jussieu.fr/pub/mirrors/cpan/
ftp://distrib-coffee.ipsl.jussieu.fr/pub/mirrors/cpan/
ftp://ftp.lip6.fr/pub/perl/CPAN/
http://mir2.ovh.net/ftp.cpan.org
ftp://mir1.ovh.net/ftp.cpan.org
http://cpan.miroir-francais.fr/
ftp://miroir-francais.fr/pub/cpan/
ftp://ftp.oleane.net/pub/CPAN/
http://ftp.crihan.fr/mirrors/ftp.cpan.org/
ftp://ftp.crihan.fr/mirrors/ftp.cpan.org/
http://ftp.u-strasbg.fr/CPAN
ftp://ftp.u-strasbg.fr/CPAN
http://cpan.cict.fr/
ftp://cpan.cict.fr/pub/CPAN/
Germany
ftp://ftp.fu-berlin.de/unix/languages/perl/
http://mirrors.softliste.de/cpan/
ftp://ftp.rub.de/pub/CPAN/
http://www.planet-elektronik.de/CPAN/
http://ftp.hosteurope.de/pub/CPAN/
ftp://ftp.hosteurope.de/pub/CPAN/
http://www.mirrorspace.org/cpan/
http://mirror.netcologne.de/cpan/
ftp://mirror.netcologne.de/cpan/
ftp://ftp.freenet.de/pub/ftp.cpan.org/pub/CPAN/
http://ftp-stud.hs-esslingen.de/pub/Mirrors/CPAN/
ftp://ftp-stud.hs-esslingen.de/pub/Mirrors/CPAN/
http://mirrors.zerg.biz/cpan/
http://ftp.gwdg.de/pub/languages/perl/CPAN/
ftp://ftp.gwdg.de/pub/languages/perl/CPAN/
http://dl.ambiweb.de/mirrors/ftp.cpan.org/
http://cpan.mirror.clusters.kg/
http://cpan.mirror.iphh.net/
ftp://cpan.mirror.iphh.net/pub/CPAN/
http://cpan.mirroring.de/
http://mirror.informatik.uni-mannheim.de/pub/mirrors/CPAN/
ftp://mirror.informatik.uni-mannheim.de/pub/mirrors/CPAN/
http://ftp.cw.net/pub/CPAN/
ftp://ftp.cw.net/pub/CPAN/
http://cpan.cpantesters.org/
ftp://cpan.cpantesters.org/CPAN/
http://cpan.mirrored.de/
ftp://mirror.petamem.com/CPAN/
http://cpan.noris.de/
ftp://cpan.noris.de/pub/CPAN/
ftp://ftp.mpi-sb.mpg.de/pub/perl/CPAN/
ftp://ftp.gmd.de/mirrors/CPAN/
Greece
ftp://ftp.forthnet.gr/pub/languages/perl/CPAN
ftp://ftp.ntua.gr/pub/lang/perl/
http://cpan.cc.uoc.gr/
ftp://ftp.cc.uoc.gr/mirrors/CPAN/
Hungary
http://cpan.mirrors.enexis.hu/
ftp://cpan.mirrors.enexis.hu/mirrors/cpan/
http://cpan.hu/
Iceland
http://ftp.rhnet.is/pub/CPAN/
ftp://ftp.rhnet.is/pub/CPAN/
Ireland
http://ftp.esat.net/pub/languages/perl/CPAN/
ftp://ftp.esat.net/pub/languages/perl/CPAN/
http://ftp.heanet.ie/mirrors/ftp.perl.org/pub/CPAN
ftp://ftp.heanet.ie/mirrors/ftp.perl.org/pub/CPAN
Italy
http://bo.mirror.garr.it/mirrors/CPAN/
http://cpan.panu.it/
ftp://ftp.panu.it/pub/mirrors/perl/CPAN/
http://cpan.fastbull.org/
Latvia
http://kvin.lv/pub/CPAN/
Lithuania
http://ftp.litnet.lt/pub/CPAN/
ftp://ftp.litnet.lt/pub/CPAN/
Malta
http://cpan.waldonet.net.mt/
Netherlands
ftp://ftp.quicknet.nl/pub/CPAN/
http://mirror.hostfuss.com/CPAN/
ftp://mirror.hostfuss.com/CPAN/
http://mirrors3.kernel.org/cpan/
ftp://mirrors3.kernel.org/pub/CPAN/
http://cpan.osmirror.nl/
ftp://ftp.osmirror.nl/pub/cpan/
http://cpan.mirror.versatel.nl/
ftp://ftp.mirror.versatel.nl/cpan/
ftp://download.xs4all.nl/pub/mirror/CPAN/
http://mirror.leaseweb.com/CPAN/
ftp://mirror.leaseweb.com/CPAN/
ftp://ftp.cpan.nl/pub/CPAN/
http://archive.cs.uu.nl/mirror/CPAN/
ftp://ftp.cs.uu.nl/mirror/CPAN/
http://https://luxitude.net/cpan/
Norway
ftp://ftp.uninett.no/pub/languages/perl/CPAN
ftp://ftp.uit.no/pub/languages/perl/cpan/
Poland
http://mirror.icis.pcz.pl/CPAN/
ftp://mirror.icis.pcz.pl/CPAN/
http://piotrkosoft.net/pub/mirrors/CPAN/
ftp://ftp.piotrkosoft.net/pub/mirrors/CPAN/
http://ftp.man.poznan.pl/pub/CPAN
ftp://ftp.man.poznan.pl/pub/CPAN
ftp://sunsite.icm.edu.pl/pub/CPAN/
ftp://ftp.tpnet.pl/d4/CPAN/
Portugal
http://cpan.dei.uc.pt/
ftp://ftp.dei.uc.pt/pub/CPAN
ftp://ftp.ist.utl.pt/pub/CPAN/
http://cpan.perl.pt/
http://cpan.ip.pt/
ftp://cpan.ip.pt/pub/cpan/
http://mirrors.nfsi.pt/CPAN/
ftp://mirrors.nfsi.pt/pub/CPAN/
http://cpan.dcc.fc.up.pt/
Romania
http://ftp.astral.ro/pub/CPAN/
ftp://ftp.astral.ro/pub/CPAN/
ftp://ftp.lug.ro/CPAN
http://mirrors.xservers.ro/CPAN/
http://mirrors.hostingromania.ro/ftp.cpan.org/
ftp://ftp.hostingromania.ro/mirrors/ftp.cpan.org/
ftp://ftp.iasi.roedu.net/pub/mirrors/ftp.cpan.org/
ftp://ftp.ambra.ro/pub/CPAN
Russia
ftp://ftp.aha.ru/CPAN/
http://cpan.rinet.ru/
ftp://cpan.rinet.ru/pub/mirror/CPAN/
ftp://ftp.SpringDaemons.com/pub/CPAN/
http://cpan.nx1.ru/
ftp://cpan.nx1.ru/
http://mirror.rol.ru/CPAN/
http://ftp.silvernet.ru/CPAN/
http://ftp.spbu.ru/CPAN/
ftp://ftp.spbu.ru/CPAN/
Slovakia
http://cpan.fyxm.net/
Slovenia
http://www.klevze.si/cpan
Spain
http://osl.ugr.es/CPAN/
ftp://ftp.rediris.es/mirror/CPAN/
http://ftp.gui.uva.es/sites/cpan.org/
ftp://ftp.gui.uva.es/sites/cpan.org/
Sweden
http://mirrors4.kernel.org/cpan/
ftp://mirrors4.kernel.org/pub/CPAN/
Switzerland
http://cpan.mirror.solnet.ch/
ftp://ftp.solnet.ch/mirror/CPAN/
http://mirror.switch.ch/ftp/mirror/CPAN/
ftp://mirror.switch.ch/mirror/CPAN/
Ukraine
http://cpan.makeperl.org/
ftp://cpan.makeperl.org/pub/CPAN
http://cpan.org.ua/
http://no-more.kiev.ua/CPAN/
ftp://no-more.kiev.ua/pub/CPAN/
http://cpan.gafol.net/
ftp://ftp.gafol.net/pub/cpan/
United Kingdom
http://www.mirrorservice.org/sites/ftp.funet.fi/pub/languages/perl/CPAN/
ftp://ftp.mirrorservice.org/sites/ftp.funet.fi/pub/languages/perl/CPAN/
http://mirror.tje.me.uk/pub/mirrors/ftp.cpan.org/
ftp://mirror.tje.me.uk/pub/mirrors/ftp.cpan.org/
http://www.mirror.8086.net/sites/CPAN/
ftp://ftp.mirror.8086.net/sites/CPAN/
http://cpan.mirror.anlx.net/
ftp://ftp.mirror.anlx.net/CPAN/
http://mirror.bytemark.co.uk/CPAN/
ftp://mirror.bytemark.co.uk/CPAN/
http://cpan.etla.org/
ftp://cpan.etla.org/pub/CPAN
ftp://ftp.demon.co.uk/pub/CPAN/
http://mirror.sov.uk.goscomb.net/CPAN/
ftp://mirror.sov.uk.goscomb.net/pub/CPAN/
http://ftp.plig.net/pub/CPAN/
ftp://ftp.plig.net/pub/CPAN/
http://ftp.ticklers.org/pub/CPAN/
ftp://ftp.ticklers.org/pub/CPAN/
http://cpan.mirrors.uk2.net/
ftp://mirrors.uk2.net/pub/CPAN/
http://mirror.ox.ac.uk/sites/www.cpan.org/
ftp://mirror.ox.ac.uk/sites/www.cpan.org/
North America
Bahamas
http://www.securehost.com/mirror/CPAN/
Canada
http://cpan.justanotherperlhacker.com/pub/CPAN/
ftp://cpan.justanotherperlhacker.com/pub/CPAN/
http://cpan.arcticnetwork.ca
ftp://mirror.arcticnetwork.ca/pub/CPAN
http://cpan.sunsite.ualberta.ca/
ftp://cpan.sunsite.ualberta.ca/pub/CPAN/
http://theoryx5.uwinnipeg.ca/pub/CPAN/
ftp://theoryx5.uwinnipeg.ca/pub/CPAN/
http://arwen.cs.dal.ca/mirror/CPAN/
ftp://arwen.cs.dal.ca/pub/mirror/CPAN/
http://CPAN.mirror.rafal.ca/
ftp://CPAN.mirror.rafal.ca/pub/CPAN/
ftp://ftp.nrc.ca/pub/CPAN/
http://mirror.csclub.uwaterloo.ca/pub/CPAN/
ftp://mirror.csclub.uwaterloo.ca/pub/CPAN/
Mexico
http://www.msg.com.mx/CPAN/
ftp://ftp.msg.com.mx/pub/CPAN/
United States
Alabama
http://mirror.hiwaay.net/CPAN/
ftp://mirror.hiwaay.net/CPAN/
California
http://cpan.knowledgematters.net/
http://cpan.binkerton.com/
http://cpan.develooper.com/
http://mirrors.gossamer-threads.com/CPAN
http://cpan.schatt.com/
http://mirrors.kernel.org/cpan/
ftp://mirrors.kernel.org/pub/CPAN
http://mirrors2.kernel.org/cpan/
ftp://mirrors2.kernel.org/pub/CPAN/
http://cpan.mirrors.redwire.net/
http://cpan.mirror.facebook.net/
http://mirrors1.kernel.org/cpan/
ftp://mirrors1.kernel.org/pub/CPAN/
http://cpan-sj.viaverio.com/
ftp://cpan-sj.viaverio.com/pub/CPAN/
http://www.perl.com/CPAN/
http://cpan.yahoo.com/
Florida
ftp://ftp.cise.ufl.edu/pub/mirrors/CPAN/
http://mirror.atlantic.net/pub/CPAN/
ftp://mirror.atlantic.net/pub/CPAN/
http://mirror.candidhosting.com/pub/CPAN
ftp://mirror.candidhosting.com/pub/CPAN
Idaho
http://mirror.its.uidaho.edu/pub/cpan/
ftp://mirror.its.uidaho.edu/cpan/
Illinois
http://cpan.mirrors.hoobly.com/
http://cpan.uchicago.edu/pub/CPAN/
ftp://cpan.uchicago.edu/pub/CPAN/
http://mirrors.servercentral.net/CPAN/
http://www.stathy.com/CPAN/
ftp://www.stathy.com/CPAN/
Indiana
ftp://ftp.uwsg.iu.edu/pub/perl/CPAN/
http://cpan.netnitco.net/
ftp://cpan.netnitco.net/pub/mirrors/CPAN/
http://ftp.ndlug.nd.edu/pub/perl/
ftp://ftp.ndlug.nd.edu/pub/perl/
http://fx.saintjoe.edu/pub/CPAN
Massachusetts
ftp://ftp.ccs.neu.edu/net/mirrors/ftp.funet.fi/pub/languages/perl/CPAN/
Michigan
http://ftp.wayne.edu/cpan/
ftp://ftp.wayne.edu/cpan/
Minnesota
http://cpan.msi.umn.edu/
New Jersey
http://mirror.datapipe.net/CPAN/
ftp://mirror.datapipe.net/pub/CPAN/
New York
http://mirrors.24-7-solutions.net/pub/CPAN/
ftp://mirrors.24-7-solutions.net/pub/CPAN/
http://mirror.cc.columbia.edu/pub/software/cpan/
ftp://mirror.cc.columbia.edu/pub/software/cpan/
http://cpan.belfry.net/
http://cpan.erlbaum.net/
ftp://cpan.erlbaum.net/CPAN/
http://cpan.hexten.net/
ftp://cpan.hexten.net/
http://ftp.fxcorporate.com/CPAN/
ftp://ftp.fxcorporate.com/pub/CPAN/
ftp://mirror.nyi.net/CPAN/
http://mirror.rit.edu/CPAN/
ftp://mirror.rit.edu/CPAN/
North Carolina
http://www.ibiblio.org/pub/mirrors/CPAN
ftp://ftp.ncsu.edu/pub/mirror/CPAN/
Oregon
http://ftp.osuosl.org/pub/CPAN/
ftp://ftp.osuosl.org/pub/CPAN/
Pennsylvania
http://ftp.epix.net/CPAN/
ftp://ftp.epix.net/pub/languages/perl/
http://cpan.pair.com/
ftp://cpan.pair.com/pub/CPAN/
South Carolina
http://cpan.mirror.clemson.edu/
Tennessee
http://mira.sunsite.utk.edu/CPAN/
Texas
http://mirror.uta.edu/CPAN
Utah
http://cpan.cs.utah.edu
ftp://cpan.cs.utah.edu/pub/CPAN/
ftp://mirror.xmission.com/CPAN/
Virginia
http://cpan-du.viaverio.com/
ftp://cpan-du.viaverio.com/pub/CPAN/
http://perl.secsup.org/
ftp://perl.secsup.org/pub/perl/
ftp://mirror.cogentco.com/pub/CPAN/
Washington
http://cpan.llarian.net/
ftp://cpan.llarian.net/pub/CPAN/
ftp://ftp-mirror.internap.com/pub/CPAN/
Wisconsin
http://cpan.mirrors.tds.net
ftp://cpan.mirrors.tds.net/pub/CPAN
http://mirror.sit.wisc.edu/pub/CPAN/
ftp://mirror.sit.wisc.edu/pub/CPAN/
Oceania
Australia
http://mirror.internode.on.net/pub/cpan/
ftp://mirror.internode.on.net/pub/cpan/
http://cpan.mirror.aussiehq.net.au/
http://mirror.as24220.net/cpan/
ftp://mirror.as24220.net/cpan/
New Zealand
ftp://ftp.auckland.ac.nz/pub/perl/CPAN/
http://cpan.inspire.net.nz
ftp://cpan.inspire.net.nz/cpan
http://cpan.catalyst.net.nz/CPAN/
ftp://cpan.catalyst.net.nz/pub/CPAN/
South America
Argentina
http://cpan.patan.com.ar/
http://cpan.localhost.net.ar
ftp://mirrors.localhost.net.ar/pub/mirrors/CPAN
Brazil
ftp://cpan.pop-mg.com.br/pub/CPAN/
http://ftp.pucpr.br/CPAN
ftp://ftp.pucpr.br/CPAN
http://cpan.kinghost.net/
ftp://ftp.linorg.usp.br/CPAN
Chile
http://cpan.dcc.uchile.cl/
ftp://cpan.dcc.uchile.cl/pub/lang/cpan/
Colombia
http://www.laqee.unal.edu.co/CPAN/
RSYNC Mirrors
mirror.as24220.net::cpan
cpan.inode.at::CPAN
gd.tuwien.ac.at::CPAN
ftp.belnet.be::packages/cpan
rsync.linorg.usp.br::CPAN
rsync.arcticnetwork.ca::CPAN
CPAN.mirror.rafal.ca::CPAN
mirror.csclub.uwaterloo.ca::CPAN
theoryx5.uwinnipeg.ca::CPAN
www.laqee.unal.edu.co::CPAN
mirror.uni-c.dk::CPAN
rsync.nic.funet.fi::CPAN
rsync://distrib-coffee.ipsl.jussieu.fr/pub/mirrors/cpan/
mir1.ovh.net::CPAN
miroir-francais.fr::cpan
ftp.crihan.fr::CPAN
rsync://mirror.cict.fr/cpan/
rsync://mirror.netcologne.de/cpan/
ftp-stud.hs-esslingen.de::CPAN/
ftp.gwdg.de::FTP/languages/perl/CPAN/
cpan.mirror.iphh.net::CPAN
cpan.cpantesters.org::cpan
cpan.hu::CPAN
komo.vlsm.org::CPAN
mirror.unej.ac.id::cpan
ftp.esat.net::/pub/languages/perl/CPAN
ftp.heanet.ie::mirrors/ftp.perl.org/pub/CPAN
rsync.panu.it::CPAN
cpan.fastbull.org::CPAN
ftp.kddilabs.jp::cpan
ftp.nara.wide.ad.jp::cpan/
rsync://ftp.jaist.ac.jp/pub/CPAN/
rsync://ftp.riken.jp/cpan/
mirror.linuxiso.kz::CPAN
rsync://mirrors3.kernel.org/mirrors/CPAN/
rsync://rsync.osmirror.nl/cpan/
mirror.leaseweb.com::CPAN
cpan.nautile.nc::CPAN
mirror.icis.pcz.pl::CPAN
piotrkosoft.net::mirrors/CPAN
rsync://cpan.perl.pt/
ftp.kaist.ac.kr::cpan
cpan.sarang.net::CPAN
mirror.averse.net::cpan
rsync.oss.eznetsols.org
mirror.ac.za::cpan
ftp.is.co.za::IS-Mirror/ftp.cpan.org/
rsync://ftp.gui.uva.es/cpan/
rsync://mirrors4.kernel.org/mirrors/CPAN/
ftp.solnet.ch::CPAN
ftp.ulak.net.tr::CPAN
gafol.net::cpan
rsync.mirrorservice.org::ftp.funet.fi/pub/
rsync://rsync.mirror.8086.net/CPAN/
rsync.mirror.anlx.net::CPAN
mirror.bytemark.co.uk::CPAN
ftp.plig.net::CPAN
rsync://ftp.ticklers.org:CPAN/
mirrors.ibiblio.org::CPAN
cpan-du.viaverio.com::CPAN
mirror.hiwaay.net::CPAN
rsync://mira.sunsite.utk.edu/CPAN/
cpan.mirrors.tds.net::CPAN
mirror.its.uidaho.edu::cpan
rsync://mirror.cc.columbia.edu::cpan/
ftp.fxcorporate.com::CPAN
rsync.atlantic.net::CPAN
mirrors.kernel.org::mirrors/CPAN
rsync://mirrors2.kernel.org/mirrors/CPAN/
cpan.pair.com::CPAN
rsync://mirror.rit.edu/CPAN/
rsync://mirror.facebook.net/cpan/
rsync://mirrors1.kernel.org/mirrors/CPAN/
cpan-sj.viaverio.com::CPAN
For an up-to-date listing of CPAN sites, see http://www.cpan.org/SITES or ftp://www.cpan.org/SITES .
Modules: Creation, Use, and Abuse
(The following section is borrowed directly from Tim Bunce's modules file, available at your nearest CPAN site.)
Perl implements a class using a package, but the presence of a package doesn't imply the presence of a class. A package is just a
namespace. A class is a package that provides subroutines that can be used as methods. A method is just a subroutine that expects, as its
first argument, either the name of a package (for "static" methods), or a reference to something (for "virtual" methods).
A module is a file that (by convention) provides a class of the same name (sans the .pm), plus an import method in that class that can be
called to fetch exported symbols. This module may implement some of its methods by loading dynamic C or C++ objects, but that should be
totally transparent to the user of the module. Likewise, the module might set up an AUTOLOAD function to slurp in subroutine definitions
on demand, but this is also transparent. Only the .pm file is required to exist. See perlsub, perltoot, and AutoLoader for details about
the AUTOLOAD mechanism.
Guidelines for Module Creation
o Do similar modules already exist in some form?
If so, please try to reuse the existing modules either in whole or by inheriting useful features into a new class. If this is not
practical try to get together with the module authors to work on extending or enhancing the functionality of the existing modules. A
perfect example is the plethora of packages in perl4 for dealing with command line options.
If you are writing a module to expand an already existing set of modules, please coordinate with the author of the package. It helps
if you follow the same naming scheme and module interaction scheme as the original author.
o Try to design the new module to be easy to extend and reuse.
Try to "use warnings;" (or "use warnings qw(...);"). Remember that you can add "no warnings qw(...);" to individual blocks of code
that need less warnings.
Use blessed references. Use the two argument form of bless to bless into the class name given as the first parameter of the
constructor, e.g.,:
sub new {
my $class = shift;
return bless {}, $class;
}
or even this if you'd like it to be used as either a static or a virtual method.
sub new {
my $self = shift;
my $class = ref($self) || $self;
return bless {}, $class;
}
Pass arrays as references so more parameters can be added later (it's also faster). Convert functions into methods where appropriate.
Split large methods into smaller more flexible ones. Inherit methods from other modules if appropriate.
Avoid class name tests like: "die "Invalid" unless ref $ref eq 'FOO'". Generally you can delete the "eq 'FOO'" part with no harm at
all. Let the objects look after themselves! Generally, avoid hard-wired class names as far as possible.
Avoid "$r->Class::func()" where using "@ISA=qw(... Class ...)" and "$r->func()" would work (see perlbot for more details).
Use autosplit so little used or newly added functions won't be a burden to programs that don't use them. Add test functions to the
module after __END__ either using AutoSplit or by saying:
eval join('',<main::DATA>) || die $@ unless caller();
Does your module pass the 'empty subclass' test? If you say "@SUBCLASS::ISA = qw(YOURCLASS);" your applications should be able to use
SUBCLASS in exactly the same way as YOURCLASS. For example, does your application still work if you change: "$obj =
YOURCLASS->new();" into: "$obj = SUBCLASS->new();" ?
Avoid keeping any state information in your packages. It makes it difficult for multiple other packages to use yours. Keep state
information in objects.
Always use -w.
Try to "use strict;" (or "use strict qw(...);"). Remember that you can add "no strict qw(...);" to individual blocks of code that need
less strictness.
Always use -w.
Follow the guidelines in perlstyle.
Always use -w.
o Some simple style guidelines
The perlstyle manual supplied with Perl has many helpful points.
Coding style is a matter of personal taste. Many people evolve their style over several years as they learn what helps them write and
maintain good code. Here's one set of assorted suggestions that seem to be widely used by experienced developers:
Use underscores to separate words. It is generally easier to read $var_names_like_this than $VarNamesLikeThis, especially for non-
native speakers of English. It's also a simple rule that works consistently with VAR_NAMES_LIKE_THIS.
Package/Module names are an exception to this rule. Perl informally reserves lowercase module names for 'pragma' modules like integer
and strict. Other modules normally begin with a capital letter and use mixed case with no underscores (need to be short and portable).
You may find it helpful to use letter case to indicate the scope or nature of a variable. For example:
$ALL_CAPS_HERE constants only (beware clashes with Perl vars)
$Some_Caps_Here package-wide global/static
$no_caps_here function scope my() or local() variables
Function and method names seem to work best as all lowercase. e.g., "$obj->as_string()".
You can use a leading underscore to indicate that a variable or function should not be used outside the package that defined it.
o Select what to export.
Do NOT export method names!
Do NOT export anything else by default without a good reason!
Exports pollute the namespace of the module user. If you must export try to use @EXPORT_OK in preference to @EXPORT and avoid short or
common names to reduce the risk of name clashes.
Generally anything not exported is still accessible from outside the module using the ModuleName::item_name (or "$blessed_ref->method")
syntax. By convention you can use a leading underscore on names to indicate informally that they are 'internal' and not for public
use.
(It is actually possible to get private functions by saying: "my $subref = sub { ... }; &$subref;". But there's no way to call that
directly as a method, because a method must have a name in the symbol table.)
As a general rule, if the module is trying to be object oriented then export nothing. If it's just a collection of functions then
@EXPORT_OK anything but use @EXPORT with caution.
o Select a name for the module.
This name should be as descriptive, accurate, and complete as possible. Avoid any risk of ambiguity. Always try to use two or more
whole words. Generally the name should reflect what is special about what the module does rather than how it does it. Please use
nested module names to group informally or categorize a module. There should be a very good reason for a module not to have a nested
name. Module names should begin with a capital letter.
Having 57 modules all called Sort will not make life easy for anyone (though having 23 called Sort::Quick is only marginally better
:-). Imagine someone trying to install your module alongside many others. If in any doubt ask for suggestions in comp.lang.perl.misc.
If you are developing a suite of related modules/classes it's good practice to use nested classes with a common prefix as this will
avoid namespace clashes. For example: Xyz::Control, Xyz::View, Xyz::Model etc. Use the modules in this list as a naming guide.
If adding a new module to a set, follow the original author's standards for naming modules and the interface to methods in those
modules.
If developing modules for private internal or project specific use, that will never be released to the public, then you should ensure
that their names will not clash with any future public module. You can do this either by using the reserved Local::* category or by
using a category name that includes an underscore like Foo_Corp::*.
To be portable each component of a module name should be limited to 11 characters. If it might be used on MS-DOS then try to ensure
each is unique in the first 8 characters. Nested modules make this easier.
o Have you got it right?
How do you know that you've made the right decisions? Have you picked an interface design that will cause problems later? Have you
picked the most appropriate name? Do you have any questions?
The best way to know for sure, and pick up many helpful suggestions, is to ask someone who knows. Comp.lang.perl.misc is read by just
about all the people who develop modules and it's the best place to ask.
All you need to do is post a short summary of the module, its purpose and interfaces. A few lines on each of the main methods is
probably enough. (If you post the whole module it might be ignored by busy people - generally the very people you want to read it!)
Don't worry about posting if you can't say when the module will be ready - just say so in the message. It might be worth inviting
others to help you, they may be able to complete it for you!
o README and other Additional Files.
It's well known that software developers usually fully document the software they write. If, however, the world is in urgent need of
your software and there is not enough time to write the full documentation please at least provide a README file containing:
o A description of the module/package/extension etc.
o A copyright notice - see below.
o Prerequisites - what else you may need to have.
o How to build it - possible changes to Makefile.PL etc.
o How to install it.
o Recent changes in this release, especially incompatibilities
o Changes / enhancements you plan to make in the future.
If the README file seems to be getting too large you may wish to split out some of the sections into separate files: INSTALL, Copying,
ToDo etc.
o Adding a Copyright Notice.
How you choose to license your work is a personal decision. The general mechanism is to assert your Copyright and then make a
declaration of how others may copy/use/modify your work.
Perl, for example, is supplied with two types of licence: The GNU GPL and The Artistic Licence (see the files README, Copying, and
Artistic, or perlgpl and perlartistic). Larry has good reasons for NOT just using the GNU GPL.
My personal recommendation, out of respect for Larry, Perl, and the Perl community at large is to state something simply like:
Copyright (c) 1995 Your Name. All rights reserved.
This program is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
This statement should at least appear in the README file. You may also wish to include it in a Copying file and your source files.
Remember to include the other words in addition to the Copyright.
o Give the module a version/issue/release number.
To be fully compatible with the Exporter and MakeMaker modules you should store your module's version number in a non-my package
variable called $VERSION. This should be a floating point number with at least two digits after the decimal (i.e., hundredths,
e.g, "$VERSION = "0.01""). Don't use a "1.3.2" style version. See Exporter for details.
It may be handy to add a function or method to retrieve the number. Use the number in announcements and archive file names when
releasing the module (ModuleName-1.02.tar.Z). See perldoc ExtUtils::MakeMaker.pm for details.
o How to release and distribute a module.
It's good idea to post an announcement of the availability of your module (or the module itself if small) to the
comp.lang.perl.announce Usenet newsgroup. This will at least ensure very wide once-off distribution.
If possible, register the module with CPAN. You should include details of its location in your announcement.
Some notes about ftp archives: Please use a long descriptive file name that includes the version number. Most incoming directories
will not be readable/listable, i.e., you won't be able to see your file after uploading it. Remember to send your email
notification message as soon as possible after uploading else your file may get deleted automatically. Allow time for the file to
be processed and/or check the file has been processed before announcing its location.
FTP Archives for Perl Modules:
Follow the instructions and links on:
http://www.cpan.org/modules/00modlist.long.html
http://www.cpan.org/modules/04pause.html
or upload to one of these sites:
https://pause.kbx.de/pause/
http://pause.perl.org/
and notify <modules@perl.org>.
By using the WWW interface you can ask the Upload Server to mirror your modules from your ftp or WWW site into your own directory
on CPAN!
Please remember to send me an updated entry for the Module list!
o Take care when changing a released module.
Always strive to remain compatible with previous released versions. Otherwise try to add a mechanism to revert to the old behavior
if people rely on it. Document incompatible changes.
Guidelines for Converting Perl 4 Library Scripts into Modules
o There is no requirement to convert anything.
If it ain't broke, don't fix it! Perl 4 library scripts should continue to work with no problems. You may need to make some minor
changes (like escaping non-array @'s in double quoted strings) but there is no need to convert a .pl file into a Module for just that.
o Consider the implications.
All Perl applications that make use of the script will need to be changed (slightly) if the script is converted into a module. Is it
worth it unless you plan to make other changes at the same time?
o Make the most of the opportunity.
If you are going to convert the script to a module you can use the opportunity to redesign the interface. The guidelines for module
creation above include many of the issues you should consider.
o The pl2pm utility will get you started.
This utility will read *.pl files (given as parameters) and write corresponding *.pm files. The pl2pm utilities does the following:
o Adds the standard Module prologue lines
o Converts package specifiers from ' to ::
o Converts die(...) to croak(...)
o Several other minor changes
Being a mechanical process pl2pm is not bullet proof. The converted code will need careful checking, especially any package statements.
Don't delete the original .pl file till the new .pm one works!
Guidelines for Reusing Application Code
o Complete applications rarely belong in the Perl Module Library.
o Many applications contain some Perl code that could be reused.
Help save the world! Share your code in a form that makes it easy to reuse.
o Break-out the reusable code into one or more separate module files.
o Take the opportunity to reconsider and redesign the interfaces.
o In some cases the 'application' can then be reduced to a small
fragment of code built on top of the reusable modules. In these cases the application could invoked as:
% perl -e 'use Module::Name; method(@ARGV)' ...
or
% perl -mModule::Name ... (in perl5.002 or higher)
NOTE
Perl does not enforce private and public parts of its modules as you may have been used to in other languages like C++, Ada, or Modula-17.
Perl doesn't have an infatuation with enforced privacy. It would prefer that you stayed out of its living room because you weren't
invited, not because it has a shotgun.
The module and its user have a contract, part of which is common law, and part of which is "written". Part of the common law contract is
that a module doesn't pollute any namespace it wasn't asked to. The written contract for the module (A.K.A. documentation) may make other
provisions. But then you know when you "use RedefineTheWorld" that you're redefining the world and willing to take the consequences.
POD ERRORS
Hey! The above document had some coding errors, which are explained below:
Around line 3396:
You forgot a '=back' before '=head2'
Around line 3494:
=back without =over
perl v5.12.1 2010-07-01 PERLMODLIB(1)