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Conversely, explicit continues are instead necessary to emulate switch behavior. For those not using Perl 5.10, the Perl documentation describes a half-dozen ways to achieve the same effect by using other control structures. There is also a Switch module, which provides functionality modeled on that of sister language Raku.
A Perl module is a discrete component of software for the Perl programming language. Technically, it is a particular set of conventions for using Perl's package mechanism that has become universally adopted.
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Perl provides three loop control keywords that all accept an optional loop label as an argument. If no label is specified, the keywords act on the innermost loop. Within nested loops, the use of labels enables control to move from an inner loop to an outer one, or out of the outer loop altogether.
The historical modules CGI.pm and Module::Build were removed from the core distribution. The double diamond operator; Disambiguated bitwise operators (as an experimental feature) Variable aliasing (as an experimental feature) Subroutine attribute and signature order was flipped, but this was flipped back in v5.28; 5.20.0 May 27, 2014 Full ...
To make this module available to Perl it must be compiled. Build tools like ExtUtils::MakeMaker can do this automatically. (To build manually: the xsubpp tool parses an XS module and outputs C source code; that source code is then compiled to a shared library and placed in a directory where Perl can find it.)
CPAN logo. The Comprehensive Perl Archive Network (CPAN) is a software repository of over 220,000 software modules and accompanying documentation for 45,500 distributions, written in the Perl programming language by over 14,500 contributors. [1]
This includes Perl itself, nearly all publicly released modules, many scripts, most design documents, many articles on Perl.com and other Perl-related web sites, and the Parrot virtual machine. Pod is rarely read in the raw, although it is designed to be readable without the assistance of a formatting tool.