todo - Perl TO-DO list River stage five • 10215 direct dependents • 30253 total dependents

This is a list of wishes for Perl. The most up to date version of this file is at <http://perl5.git.perl.org/perl.git/blob_plain/HEAD:/Porting/todo.pod> The tasks we think are smaller or easier are listed first. Anyone is welcome to work on any of th...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

warnings - Perl pragma to control optional warnings River stage five • 10215 direct dependents • 30253 total dependents

The "warnings" pragma gives control over which warnings are enabled in which parts of a Perl program. It's a more flexible alternative for both the command line flag -w and the equivalent Perl variable, $^W. This pragma works just like the "strict" p...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

Pumpkin - Notes on handling the Perl Patch Pumpkin And Porting Perl River stage five • 10215 direct dependents • 30253 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-5.30.0 - 22 May 2019 09:35:50 GMT

perlobj - Perl object reference River stage five • 10215 direct dependents • 30253 total dependents

This document provides a reference for Perl's object orientation features. If you're looking for an introduction to object-oriented programming in Perl, please see perlootut. In order to understand Perl objects, you first need to understand reference...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlref - Perl references and nested data structures River stage five • 10215 direct dependents • 30253 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-5.30.0 - 22 May 2019 09:35:50 GMT

perldsc - Perl Data Structures Cookbook River stage five • 10215 direct dependents • 30253 total dependents

Perl lets us have complex data structures. You can write something like this and all of a sudden, you'd have an array with three dimensions! for my $x (1 .. 10) { for my $y (1 .. 10) { for my $z (1 .. 10) { $AoA[$x][$y][$z] = $x ** $y + $z; } } } Ala...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlguts - Introduction to the Perl API River stage five • 10215 direct dependents • 30253 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-5.30.0 - 22 May 2019 09:35:50 GMT

perlfunc - Perl builtin functions River stage five • 10215 direct dependents • 30253 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-5.30.0 - 22 May 2019 09:35:50 GMT

perlport - Writing portable Perl River stage five • 10215 direct dependents • 30253 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-5.30.0 - 22 May 2019 09:35:50 GMT

warnings - Perl pragma to control optional warnings River stage five • 10215 direct dependents • 30253 total dependents

The "warnings" pragma gives control over which warnings are enabled in which parts of a Perl program. It's a more flexible alternative for both the command line flag -w and the equivalent Perl variable, $^W. This pragma works just like the "strict" p...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlperf - Perl Performance and Optimization Techniques River stage five • 10215 direct dependents • 30253 total dependents

This is an introduction to the use of performance and optimization techniques which can be used with particular reference to perl programs. While many perl developers have come from other languages, and can use their prior knowledge where appropriate...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlretut - Perl regular expressions tutorial River stage five • 10215 direct dependents • 30253 total dependents

This page provides a basic tutorial on understanding, creating and using regular expressions in Perl. It serves as a complement to the reference page on regular expressions perlre. Regular expressions are an integral part of the "m//", "s///", "qr//"...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perldelta - what is new for perl v5.30.0 River stage five • 10215 direct dependents • 30253 total dependents

This document describes differences between the 5.28.0 release and the 5.30.0 release. If you are upgrading from an earlier release such as 5.26.0, first read perl5280delta, which describes differences between 5.26.0 and 5.28.0....

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlintro - a brief introduction and overview of Perl River stage five • 10215 direct dependents • 30253 total dependents

This document is intended to give you a quick overview of the Perl programming language, along with pointers to further documentation. It is intended as a "bootstrap" guide for those who are new to the language, and provides just enough information f...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlootut - Object-Oriented Programming in Perl Tutorial River stage five • 10215 direct dependents • 30253 total dependents

This document provides an introduction to object-oriented programming in Perl. It begins with a brief overview of the concepts behind object oriented design. Then it introduces several different OO systems from CPAN <http://search.cpan.org> which bui...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

Benchmark - benchmark running times of Perl code River stage five • 10215 direct dependents • 30253 total dependents

The Benchmark module encapsulates a number of routines to help you figure out how long it takes to execute some code. timethis - run a chunk of code several times timethese - run several chunks of code several times cmpthese - print results of timeth...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlinterp - An overview of the Perl interpreter River stage five • 10215 direct dependents • 30253 total dependents

This document provides an overview of how the Perl interpreter works at the level of C code, along with pointers to the relevant C source code files....

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perldebtut - Perl debugging tutorial River stage five • 10215 direct dependents • 30253 total dependents

A (very) lightweight introduction in the use of the perl debugger, and a pointer to existing, deeper sources of information on the subject of debugging perl programs. There's an extraordinary number of people out there who don't appear to know anythi...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlreguts - Description of the Perl regular expression engine. River stage five • 10215 direct dependents • 30253 total dependents

This document is an attempt to shine some light on the guts of the regex engine and how it works. The regex engine represents a significant chunk of the perl codebase, but is relatively poorly understood. This document is a meagre attempt at addressi...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

perlthrtut - Tutorial on threads in Perl River stage five • 10215 direct dependents • 30253 total dependents

This tutorial describes the use of Perl interpreter threads (sometimes referred to as *ithreads*). In this model, each thread runs in its own Perl interpreter, and any data sharing between threads must be explicit. The user-level interface for *ithre...

XSAWYERX/perl-5.30.0 - 22 May 2019 09:35:50 GMT

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