- I18N::Collate – compare 8-bit scalar data according to the current locale
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I18N::LangTags – functions for dealing with RFC3066-style language tags
I18N::LangTags::Detect I18N::LangTags::List - I18N::Langinfo – query locale information
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IO – load various IO modules
IO::Compress::Base IO::Compress::Bzip2 IO::Compress::Deflate IO::Compress::FAQ IO::Compress::Gzip IO::Compress::RawDeflate IO::Compress::Zip IO::Dir IO::File IO::Handle IO::Pipe IO::Poll IO::Seekable IO::Select IO::Socket IO::Socket::INET IO::Socket::IP IO::Socket::UNIX IO::Uncompress::AnyInflate IO::Uncompress::AnyUncompress IO::Uncompress::Base IO::Uncompress::Bunzip2 IO::Uncompress::Gunzip IO::Uncompress::Inflate IO::Uncompress::RawInflate IO::Uncompress::Unzip IO::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
- Internals – Reserved special namespace for internals related functions