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There are many ways to write object-oriented code in Perl. The most basic is using "blessed" references. This works by identifying a reference of any type as belonging to a given package, and the package provides the methods for the blessed reference. For example, a two-dimensional point could be defined this way:
Perl Programming Documentation, also called perldoc, is the name of the user manual for the Perl 5 programming language. It is available in several different formats, including online in HTML and PDF. The documentation is bundled with Perl in its own format, known as Plain Old Documentation (pod).
In the parlance of Perl culture, Perl programmers are known as Perl hackers, and from this derives the practice of writing short programs to print out the phrase "Just another Perl hacker, ". In the spirit of the original concept, these programs are moderately obfuscated and short enough to fit into the signature of an email or Usenet message.
Perl. Block comments in Perl are considered part of the documentation, and are given the name Plain Old Documentation (POD). Technically, Perl does not have a convention for including block comments in source code, but POD is routinely used as a workaround. PHP. PHP supports standard C/C++ style comments, but supports Perl style as well. Python
Vim – free and open-source text editor based on vi, designed for use both from a command line interface and as a standalone application in a graphical user interface. Includes a scripting interface for Perl. Visual Studio Code – is a free source-code editor from Microsoft, and available for Windows, Linux and macOS. Includes syntax ...
Pretty-printing (or prettyprinting) is the application of any of various stylistic formatting conventions to text files, such as source code, markup, and similar kinds of content. These formatting conventions may entail adhering to an indentation style , using different color and typeface to highlight syntactic elements of source code, or ...
Perl: Application, scripting, text processing, Web Yes Yes Yes Yes Yes Yes No PHP: Server-side, web application, web Yes Yes [37] Yes [38] Yes No Yes De facto standard via language specification and Requests for Comments (RFCs) PL/I: Application Yes Yes No Yes No No Yes 1969, ECMA-50 (1976) Plus: Application, system development Yes No No Yes No ...
W3Schools is a freemium educational website for learning coding online. [1] [2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium. [3] [4] [unreliable source] W3Schools offers courses covering many aspects of web development. [5] W3Schools also publishes free HTML templates.