The Perl Standard Extensions

• attrs - set/get attributes of a subroutine
• B - The Perl Compiler
• B::Asmdata - Autogenerated data about Perl ops, used to generate bytecode
• B::Assembler - Assemble Perl bytecode
• B::Bblock - Walk basic blocks
• B::Bytecode - Perl compiler's bytecode backend
• B::C - Perl compiler's C backend
• B::CC - Perl compiler's optimized C translation backend
• B::Debug - Walk Perl syntax tree, printing debug info about ops
• B::Deparse - Perl compiler backend to produce perl code
• B::Disassembler - Disassemble Perl bytecode
• B::Lint - Perl lint
• B::Showlex - Show lexical variables used in functions or files
• B::Stackobj - Helper module for CC backend
• B::Terse - Walk Perl syntax tree, printing terse info about ops
• B::Xref - Generates cross reference reports for Perl programs
• O - Generic interface to Perl Compiler backends
• DB_File - Perl5 access to Berkeley DB version 1.x
• Data::Dumper - stringified perl data structures, suitable for both printing and eval
• DynaLoader - Dynamically load C libraries into Perl code
• Errno - System errno constants
• Fcntl - load the C Fcntl.h defines
• GDBM_File - Perl5 access to the gdbm library.
• IO - load various IO modules
• IO::File - supply object methods for filehandles
• IO::Handle - supply object methods for I/O handles
• IO::pipe - supply object methods for pipes
• 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
• IPC::Msg - SysV Msg IPC object class
• IPC::Semaphore - SysV Semaphore IPC object class
• IPC::SysV - SysV IPC constants
• NDBM_File - Tied access to ndbm files
• ODBM_File - Tied access to odbm files
• Opcode - Disable named opcodes when compiling perl code
• Opcode::Safe - Compile and execute code in restricted compartments
• Opcode::ops - Perl pragma to restrict unsafe operations when compiling
• POSIX - Perl interface to IEEE Std 1003.1
• re - Perl pragma to alter regular expression behaviour
• SDBM_File - Tied access to sdbm files
• Socket - load the C socket.h defines and structure manipulators
• Thread - multithreading
• Thread::Queue - thread-safe queues
• Thread::Semaphore - thread-safe semaphores
• Thread::Signal - Start a thread which runs signal handlers reliably
• Thread::Specific - thread-specific keys