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Effective Perl Programming: Files and Filehandles
By Joseph N. Hall, brian d foy, Joshua A. McAdams
Apr 28, 2010
The authors of Effective Perl Programming offer tips for working with files and filehandles.
Perl Fundamentals: Subroutines
By Peter J. Scott
Jun 15, 2009
This video excerpt is from lesson 5 of Perl Fundamentals.
Regular Expressions in Perl—Pattern Matching
By Ellie Quigley
May 15, 2008
Learn what they are and how to use them.
Copyright Versus Free Software
By David Chisnall
Nov 16, 2007
David Chisnall examines the close relationship between copyright and Free Software.
Taming Batch Operations Using Perl: A Tale of One Application, a Group of Users, Two Languages, and a Few Tools
By Philipp Janert
Apr 13, 2007
In this tale of BRP/P and some of the people working with it, Philipp Janert looks at an old application originating from a mainframe system and describes how the differences in user interfaces result in different usage patterns.
Controlling Program Flow in Perl
By Clinton Pierce
Jun 17, 2005
In this chapter, you will learn about Perl’s many flow control constructs. Some constructs, such as if and the logical operators, are used to control whether portions of the program run, depending on true or false values.
Scalar Data and Operators in Perl
By Richard Colburn, Laura Lemay
Dec 13, 2002
Laura Lemay and Richard Colburn discuss almost everything you could ever want to know about scalar data. Learn about tables of operators, operator precedence, pattern matching with digits, input and output, and calling functions with and without parentheses around their arguments.
XML and Perl: Now Let's Start Digging
By Mark Riehl, Ilya Sterin
Nov 15, 2002
Mark Riehl and Ilya Sterin discuss the basics of the most popular XML technologies, such as: XML processing, generating and parsing an XML document, transforming XML documents, and Perl XML programs.
Modules in Perl
By Reuven Lerner
Sep 26, 2002
Make your Perl programs more maintainable and reusable. Learn how to effectively use and document packages and modules.
Perl Scripts as Commands
By Steve Oualline
Sep 13, 2002
Learn how you can easily turn Perl scripts into commands that can be run at the command line.
Working with Files in Perl
By Clinton Pierce
Sep 13, 2002
Perl is an outstanding language for reading from and writing to files on disk or elsewhere. Begin to incorporate files into your Perl programs by learning how to open, read, write, and test files.
Stacking Perl's Building Blocks: Lists and Arrays
By Clinton Pierce
Sep 6, 2002
Discover the numerous ways of manipulating lists and arrays in Perl and follow up with a game example.
Introducing Perl
By Michael Saltzman
Aug 30, 2002
Get acquainted with this versatile high-level language through examining variables, control flow constructs, regular expressions, and functions.
Perl's Building Blocks: Numbers and Strings
By Clinton Pierce
Aug 23, 2002
Learn to express yourself in Perl through scalar variables, operators, and expressions and test your knowledge by following an Interest Calculator example.
Perl and Autovivification
By Kevin Meltzer
Aug 9, 2002
Perl programmers of the world, learn how to be even more lazy and let Perl do the work for you. Discover the power of autovivification and referencing the dereferenced.
Deitel Introduces Graphics in Perl
By (Harvey & Paul) Deitel & Deitel
Aug 2, 2002
This DEITEL™ article introduces basic graphics processing in Perl, used to create GUIs, charts and images. We provide an example of creating an image with several shapes. Readers should be familiar with Perl syntax, as well as objects and modules in Perl.
The Perl Ties That Bind
By Kevin Meltzer
Jul 26, 2002
Learn how to provide reusable code using Perl 5 ties - a way of intercepting accesses to a Perl variable (array, hash, scalar, or filehandle).
Finding Bad Links in Perl
By Kevin Meltzer
Jul 19, 2002
Bad links on a web site are aggravating to everyone, but Kevin Meltzer's simple Perl script can help you keep your web site's links up to date.
Deitel Introduces Hashes in Perl
By (Harvey & Paul) Deitel & Deitel
Jul 12, 2002
This Deitel™ article introduces the hash data structure, used for storing data in key-value pairs and we provide two examples of creating and manipulating hashes.
Deitel Presents an Introduction to DBI in Perl
By (Harvey & Paul) Deitel & Deitel
Jul 5, 2002
This Deitel™ article introduces manipulating databases using the Perl programming language. Readers should be familiar with Perl programming and SQL.

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