Larry Wall's Practical Extraction and Report Language

 Perl is a highly capable, feature-rich programming language with over
 20 years of development. Perl 5 runs on over 100 platforms from
 portables to mainframes. Perl is suitable for both rapid prototyping
 and large scale development projects.
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 Perl 5 supports many programming styles, including procedural,
 functional, and object-oriented. In addition to this, it is supported
 by an ever-growing collection of reusable modules which accelerate
 development. Some of these modules include Web frameworks, database
 integration, networking protocols, and encryption. Perl provides
 interfaces to C and C++ for custom extension development.