IO::Socket - Object interface to socket communications River stage five • 10760 direct dependents • 31092 total dependents

"IO::Socket" provides an object-oriented, IO::Handle-based interface to creating and using sockets via Socket, which provides a near one-to-one interface to the C socket library. "IO::Socket" is a base class that really only defines methods for those...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

IO::Socket::INET - Object interface for AF_INET domain sockets River stage five • 10760 direct dependents • 31092 total dependents

"IO::Socket::INET" provides an object interface to creating and using sockets in the AF_INET domain. It is built upon the IO::Socket interface and inherits all the methods defined by IO::Socket....

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

IO::Socket::UNIX - Object interface for AF_UNIX domain sockets River stage five • 10760 direct dependents • 31092 total dependents

"IO::Socket::UNIX" provides an object interface to creating and using sockets in the AF_UNIX domain. It is built upon the IO::Socket interface and inherits all the methods defined by IO::Socket....

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

IO - load various IO modules River stage five • 10760 direct dependents • 31092 total dependents

"IO" provides a simple mechanism to load several of the IO modules in one go. The IO modules belonging to the core are: IO::Handle IO::Seekable IO::File IO::Pipe IO::Socket IO::Dir IO::Select IO::Poll Some other IO modules don't belong to the perl co...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

B - The Perl Compiler Backend River stage five • 10760 direct dependents • 31092 total dependents

The "B" module supplies classes which allow a Perl program to delve into its own innards. It is the module used to implement the "backends" of the Perl compiler. Usage of the compiler does not require knowledge of this module: see the O module for th...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

Opcode - Disable named opcodes when compiling perl code River stage five • 10760 direct dependents • 31092 total dependents

Perl code is always compiled into an internal format before execution. Evaluating perl code (e.g. via "eval" or "do 'file'") causes the code to be compiled into an internal format and then, provided there was no error in the compilation, executed. Th...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlvar - Perl predefined variables River stage five • 10760 direct dependents • 31092 total dependents

The Syntax of Variable Names Variable names in Perl can have several formats. Usually, they must begin with a letter or underscore, in which case they can be arbitrarily long (up to an internal limit of 251 characters) and may contain letters, digits...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perliol - C API for Perl's implementation of IO in Layers. River stage five • 10760 direct dependents • 31092 total dependents

This document describes the behavior and implementation of the PerlIO abstraction described in perlapio when "USE_PERLIO" is defined. History and Background The PerlIO abstraction was introduced in perl5.003_02 but languished as just an abstraction u...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlref - Perl references and nested data structures River stage five • 10760 direct dependents • 31092 total dependents

Before release 5 of Perl it was difficult to represent complex data structures, because all references had to be symbolic--and even then it was difficult to refer to a variable instead of a symbol table entry. Perl now not only makes it easier to use...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlvms - VMS-specific documentation for Perl River stage five • 10760 direct dependents • 31092 total dependents

Gathered below are notes describing details of Perl 5's behavior on VMS. They are a supplement to the regular Perl 5 documentation, so we have focussed on the ways in which Perl 5 functions differently under VMS than it does under Unix, and on the in...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlmodlib - constructing new Perl modules and finding existing ones River stage five • 10760 direct dependents • 31092 total dependents

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perl5db.pl - the perl debugger River stage five • 10760 direct dependents • 31092 total dependents

"perl5db.pl" is the perl debugger. It is loaded automatically by Perl when you invoke a script with "perl -d". This documentation tries to outline the structure and services provided by "perl5db.pl", and to describe how you can use them....

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlipc - Perl interprocess communication (signals, fifos, pipes, safe subprocesses, sockets, and semaphores) River stage five • 10760 direct dependents • 31092 total dependents

The basic IPC facilities of Perl are built out of the good old Unix signals, named pipes, pipe opens, the Berkeley socket routines, and SysV IPC calls. Each is used in slightly different situations....

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

DynaLoader - Dynamically load C libraries into Perl code River stage five • 10760 direct dependents • 31092 total dependents

This document defines a standard generic interface to the dynamic linking mechanisms available on many platforms. Its primary purpose is to implement automatic dynamic loading of Perl modules. This document serves as both a specification for anyone w...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perldata - Perl data types River stage five • 10760 direct dependents • 31092 total dependents

Variable names Perl has three built-in data types: scalars, arrays of scalars, and associative arrays of scalars, known as "hashes". A scalar is a single string (of any size, limited only by the available memory), number, or a reference to something ...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perldiag - various Perl diagnostics River stage five • 10760 direct dependents • 31092 total dependents

These messages are classified as follows (listed in increasing order of desperation): (W) A warning (optional). (D) A deprecation (enabled by default). (S) A severe warning (enabled by default). (F) A fatal error (trappable). (P) An internal error yo...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlfunc - Perl builtin functions River stage five • 10760 direct dependents • 31092 total dependents

The functions in this section can serve as terms in an expression. They fall into two major categories: list operators and named unary operators. These differ in their precedence relationship with a following comma. (See the precedence table in perlo...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlport - Writing portable Perl River stage five • 10760 direct dependents • 31092 total dependents

Perl runs on numerous operating systems. While most of them share much in common, they also have their own unique features. This document is meant to help you to find out what constitutes portable Perl code. That way once you make a decision to write...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perlfork - Perl's fork() emulation River stage five • 10760 direct dependents • 31092 total dependents

The fork() emulation is implemented at the level of the Perl interpreter. What this means in general is that running fork() will actually clone the running interpreter and all its state, and run the cloned interpreter in a separate thread, beginning ...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

perldebug - Perl debugging River stage five • 10760 direct dependents • 31092 total dependents

First of all, have you tried using "use strict;" and "use warnings;"? If you're new to the Perl debugger, you may prefer to read perldebtut, which is a tutorial introduction to the debugger. If you're looking for the nitty gritty details of how the d...

XSAWYERX/perl-5.32.0 - 20 Jun 2020 20:38:54 UTC

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