Symbol - manipulate Perl symbols and their names River stage five • 10760 direct dependents • 31092 total dependents

"Symbol::gensym" creates an anonymous glob and returns a reference to it. Such a glob reference can be used as a file or directory handle. For backward compatibility with older implementations that didn't support anonymous globs, "Symbol::ungensym" i...

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

perlmod - Perl modules (packages and symbol tables) River stage five • 10760 direct dependents • 31092 total dependents

Is this the document you were after? There are other documents which might contain the information that you're looking for: This doc Perl's packages, namespaces, and some info on classes. perlnewmod Tutorial on making a new module. perlmodstyle Best ...

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

h2xs - convert .h C header files to Perl extensions River stage five • 10760 direct dependents • 31092 total dependents

*h2xs* builds a Perl extension from C header files. The extension will include functions which can be used to retrieve the value of any #define statement which was in the C header files. The *module_name* will be used for the name of the extension. I...

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

perlre - Perl regular expressions River stage five • 10760 direct dependents • 31092 total dependents

This page describes the syntax of regular expressions in Perl. If you haven't used regular expressions before, a tutorial introduction is available in perlretut. If you know just a little about them, a quick-start introduction is available in perlreq...

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

perlop - Perl operators and precedence River stage five • 10760 direct dependents • 31092 total dependents

In Perl, the operator determines what operation is performed, independent of the type of the operands. For example "$x + $y" is always a numeric addition, and if $x or $y do not contain numbers, an attempt is made to convert them to numbers first. Th...

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

strict - Perl pragma to restrict unsafe constructs River stage five • 10760 direct dependents • 31092 total dependents

The "strict" pragma disables certain Perl expressions that could behave unexpectedly or are difficult to debug, turning them into errors. The effect of this pragma is limited to the current file or scope block. If no import list is supplied, all poss...

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

vmsish - Perl pragma to control VMS-specific language features River stage five • 10760 direct dependents • 31092 total dependents

If no import list is supplied, all possible VMS-specific features are assumed. Currently, there are four VMS-specific features available: 'status' (a.k.a '$?'), 'exit', 'time' and 'hushed'. If you're not running VMS, this module does nothing. "vmsish...

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

Pumpkin - Notes on handling the Perl Patch Pumpkin And Porting Perl River stage five • 10760 direct dependents • 31092 total dependents

This document attempts to begin to describe some of the considerations involved in patching, porting, and maintaining perl. This document is still under construction, and still subject to significant changes. Still, I hope parts of it will be useful,...

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

perlsub - Perl subroutines River stage five • 10760 direct dependents • 31092 total dependents

Like many languages, Perl provides for user-defined subroutines. These may be located anywhere in the main program, loaded in from other files via the "do", "require", or "use" keywords, or generated on the fly using "eval" or anonymous subroutines. ...

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

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

B::Xref - Generates cross reference reports for Perl programs River stage five • 10760 direct dependents • 31092 total dependents

The B::Xref module is used to generate a cross reference listing of all definitions and uses of variables, subroutines and formats in a Perl program. It is implemented as a backend for the Perl compiler. The report generated is in the following forma...

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

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

perlcall - Perl calling conventions from C River stage five • 10760 direct dependents • 31092 total dependents

The purpose of this document is to show you how to call Perl subroutines directly from C, i.e., how to write *callbacks*. Apart from discussing the C interface provided by Perl for writing callbacks the document uses a series of examples to show how ...

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

perlguts - Introduction to the Perl API River stage five • 10760 direct dependents • 31092 total dependents

This document attempts to describe how to use the Perl API, as well as to provide some info on the basic workings of the Perl core. It is far from complete and probably contains many errors. Please refer any questions or comments to the author below....

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

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