Linux Manuals

perlrun – how to execute the Perl interpreter Synopsisperl   [ -sTtuUWX ]         [ -hv ] [ -V[:configvar] ]         [ -cw ] [ -d[t][:debugger] ] [ -D[number/list] ]         [ -pna ] [ -Fpattern ] [ -l[octal] ] [ -0[octal/hexadecimal] ]         [ -Idir ] [ -m[–]module ] [ -M[–]‘module…’ ] [ -f ]         [ -C [number/list] ]         [ -S ]         [ -x[dir] ]         [ -i[extension] ]         [ [-e|-E] ‘command’ ] [ — ] [ programfile ] [ argument ]… DescriptionThe normal way to run a Perl program is by making it directly executable, or else by passing the name of the source file as an argument on the command line. (An interactive Perl environment is also…

perlriscos – Perl version 5 for RISC OS DescriptionThis document gives instructions for building Perl for RISC OS. It is complicated by the need to cross compile. There is a binary version of perl available from <http://www.cp15.org/perl/> which you may wish to use instead of trying to compile it yourself. BuildYou need an installed and…

perlretut – Perl regular expressions tutorial DescriptionThis 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//" and "split" operators and so this tutorial also overlaps with…

perlreref – Perl Regular Expressions Reference DescriptionThis is a quick reference to Perl’s regular expressions. For full information see perlre and perlop, as well as the “SEE ALSO” section in this document. OPERATORS"=~" determines to which variable the regex is applied. In its absence, $_ is used. $var =~ /foo/;"!~" determines to which variable the…

perlrequick – Perl regular expressions quick start DescriptionThis page covers the very basics of understanding, creating and using regular expressions (‘regexes’) in Perl. The GuideThis page assumes you already know things, like what a “pattern” is, and the basic syntax of using them. If you don’t, see perlretut. Simple word matchingThe simplest regex is simply…

perlrepository – Links to current information on the Perl source repository DescriptionPerl’s source code is stored in a Git repository. See perlhack for an explanation of Perl development, including the Super Quick Patch Guide for making and submitting a small patch. See perlgit for detailed information about Perl’s Git repository. (The above documents supersede the…

perlreguts – Description of the Perl regular expression engine. DescriptionThis 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 addressing this situation….

perlreftut – Mark’s very short tutorial about references DescriptionOne of the most important new features in Perl 5 was the capability to manage complicated data structures like multidimensional arrays and nested hashes. To enable these, Perl 5 introduced a feature called references, and using references is the key to managing complicated, structured data in Perl….

perlref – Perl references and nested data structures NoteThis is complete documentation about all aspects of references. For a shorter, tutorial introduction to just the essential features, see perlreftut. DescriptionBefore 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…

perlrecharclass – Perl Regular Expression Character Classes DescriptionThe top level documentation about Perl regular expressions is found in perlre. This manual page discusses the syntax and use of character classes in Perl regular expressions. A character class is a way of denoting a set of characters in such a way that one character of the…

perlrebackslash – Perl Regular Expression Backslash Sequences and Escapes DescriptionThe top level documentation about Perl regular expressions is found in perlre. This document describes all backslash and escape sequences. After explaining the role of the backslash, it lists all the sequences that have a special meaning in Perl regular expressions (in alphabetical order), then describes…

perlreapi – Perl regular expression plugin interface DescriptionAs of Perl 5.9.5 there is a new interface for plugging and using regular expression engines other than the default one. Each engine is supposed to provide access to a constant structure of the following format: typedef struct regexp_engine { REGEXP* (*comp) (pTHX_ const SV * const pattern,…

perlre – Perl regular expressions DescriptionThis 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 perlrequick. Except for “The Basics” section, this page assumes you are familiar…

perlqnx – Perl version 5 on QNX DescriptionAs of perl5.7.2 all tests pass under: QNX 4.24G Watcom 10.6 with Beta/970211.wcc.update.tar.F socket3r.lib Nov21 1996.As of perl5.8.1 there is at least one test still failing. Some tests may complain under known circumstances. See below and hints/qnx.sh for more information. Under QNX 6.2.0 there are still a few…

perlpragma – how to write a user pragma DescriptionA pragma is a module which influences some aspect of the compile time or run time behaviour of Perl, such as "strict" or "warnings". With Perl 5.10 you are no longer limited to the built in pragmata; you can now create user pragmata that modify the behaviour…

perlport – Writing portable Perl DescriptionPerl 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 portably, you know where the…

perlpolicy – Various and sundry policies and commitments related to the Perl core DescriptionThis document is the master document which records all written policies about how the Perl 5 Porters collectively develop and maintain the Perl core. GovernancePerl 5 PortersSubscribers to perl5-porters (the porters themselves) come in several flavours. Some are quiet curious lurkers, who…

perlpodstyle – Perl POD style guide DescriptionThese are general guidelines for how to write POD documentation for Perl scripts and modules, based on general guidelines for writing good UNIX man pages. All of these guidelines are, of course, optional, but following them will make your documentation more consistent with other documentation on the system. The…

perlpodspec – Plain Old Documentation: format specification and notes DescriptionThis document is detailed notes on the Pod markup language. Most people will only have to read perlpod to know how to write in Pod, but this document may answer some incidental questions to do with parsing and rendering Pod. In this document, “must” / “must…

perlpod – the Plain Old Documentation format DescriptionPod is a simple-to-use markup language used for writing documentation for Perl, Perl programs, and Perl modules. Translators are available for converting Pod to various formats like plain text, HTML, man pages, and more. Pod markup consists of three basic kinds of paragraphs: ordinary, verbatim, and command. Ordinary…