perlsynology – Perl 5 on Synology DSM systems DescriptionSynology manufactures a vast number of Network Attached Storage (NAS) devices that are very popular in large organisations as well as small businesses and homes. The NAS systems are equipped with Synology Disk Storage Manager (DSM), which is a trimmed-down Linux system enhanced with several tools for…
perlsyn – Perl syntax DescriptionA Perl program consists of a sequence of declarations and statements which run from the top to the bottom. Loops, subroutines, and other control structures allow you to jump around within the code. Perl is a free-form language: you can format and indent it however you like. Whitespace serves mostly to…
perlsymbian – Perl version 5 on Symbian OS DescriptionThis document describes various features of the Symbian operating system that will affect how Perl version 5 (hereafter just Perl) is compiled and/or runs. NOTE: this port (as of 0.4.1) does not compile into a Symbian OS GUI application, but instead it results in a Symbian DLL….
perlsub – Perl subroutines SynopsisTo declare subroutines: sub NAME; # A "forward" declaration. sub NAME(PROTO); # ditto, but with prototypes sub NAME : ATTRS; # with attributes sub NAME(PROTO) : ATTRS; # with attributes and prototypes sub NAME BLOCK # A declaration and a definition. sub NAME(PROTO) BLOCK # ditto, but with prototypes sub NAME…
perlstyle – Perl style guide DescriptionEach programmer will, of course, have his or her own preferences in regards to formatting, but there are some general guidelines that will make your programs easier to read, understand, and maintain. The most important thing is to run your programs under the -w flag at all times. You may…
perlsource – A guide to the Perl source tree DescriptionThis document describes the layout of the Perl source tree. If you’re hacking on the Perl core, this will help you find what you’re looking for. Finding Your Way AroundThe Perl source tree is big. Here’s some of the thing you’ll find in it: C codeThe…
perlsolaris – Perl version 5 on Solaris systems DescriptionThis document describes various features of Sun’s Solaris operating system that will affect how Perl version 5 (hereafter just perl) is compiled and/or runs. Some issues relating to the older SunOS 4.x are also discussed, though they may be out of date. For the most part, everything…
perlsh – one-line perl evaluator with line editing function and variable name completion function Synopsis perlshDescriptionThis program reads input a line, and evaluates it by perl interpreter, and prints the result. If the result is a list value then each value of the list is printed line by line. This program can be used…
perlsec – Perl security DescriptionPerl is designed to make it easy to program securely even when running with extra privileges, like setuid or setgid programs. Unlike most command line shells, which are based on multiple substitution passes on each line of the script, Perl uses a more conventional evaluation scheme with fewer hidden snags. Additionally,…
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…