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perl5 Config rewritten in XS http://search.cpan.org/dist/XSConfig/
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Copyright (C) 2015, Daniel Dragan Copyright (C) 2015, cPanel Inc This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself. SYNOPSIS ======== The Config.pm included by default with Perl is pure Perl. Nearly all Perl apps will load Config.pm. For a number of reasons, of speed and memory space, reimplement the P5P shipped Config.pm as an XS library, shareable between processes as read-only memory, and with a hash that is better optimized than Perl hashes, courtesy of gperf tool which generates collision-free perfect hashes. This module is a drop-in replacement for Config.pm. All code that does use Config; will use the XS implementation after installing this module. To revert to the original pure perl Config.pm, go and delete the following 3 files that will be next to each other in /site, Config.pm, Config_mini.pl, Config_xs_heavy.pl, and the Config shared library in /auto, after deleting the /site files, the original pure perl Config.pm in /lib will be loaded. Since XS Config is a compiled C shared library, it can not be edited with a text editor after it is built. To change the values in the XS Config module, edit the pure perl Config_heavy.pl file with a text editor and rebuild XS Config. IT IS HIGHLY RECOMMENDED THAT YOU HAVE GPERF TOOL INSTALLED AND RUNNABLE FROM YOUR PATH BEFORE INSTALLING XS CONFIG. CONTRIBUTING ============ XS Config is part of the cperl project http://perl11.org/cperl/ . The files and parts of XS Config that are git tracked by cperl at https://github.com/perl11/cperl/tree/master/ext/Config are revised inside/upstream cperl. Files that are not git tracked by cperl are revised at https://github.com/perl11/p5-Config with syncronizing from cperl of the cperl git tracked files to the standalone repo.