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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).
The editor contains tools for programmers, including macros, configurable syntax highlighting, code folding, file type conversions, project management, Perl Compatible Regular Expressions for search-and-replace, a column-edit mode, remote editing of files via FTP, interfaces for APIs or command lines of choice and more.
The structure of the Perl programming language encompasses both the syntactical rules of the language and the general ways in which programs are organized. Perl's design philosophy is expressed in the commonly cited motto "there's more than one way to do it".
A similar convention is used in sed, where search and replace is given by s/re/replacement/ and patterns can be joined with a comma to specify a range of lines as in /re1/,/re2/. This notation is particularly well known due to its use in Perl , where it forms part of the syntax distinct from normal string literals.
Learning Perl, also known as the llama book, [1] is a tutorial book for the Perl programming language, and is published by O'Reilly Media. The first edition (1993) was authored solely by Randal L. Schwartz , and covered Perl 4.
Higher-Order Perl: Transforming Programs with Programs (ISBN 1-55860-701-3) is a book about the Perl programming language written by Mark Jason Dominus with the goal to teach Perl programmers with a strong C and Unix background how to use techniques with roots in functional programming languages like Lisp that are available in Perl as well.
Intermediate Perl is a book about the Perl programming language by Randal L. Schwartz, brian d foy and Tom Phoenix, published in 2006 by O'Reilly Media.It was released as a retitled second edition of Learning Perl Objects, References & Modules (ISBN 0-596-00478-8) by Schwartz and Phoenix, published by O'Reilly Media in 2003 to favorable reviews.