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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.
Process HTML with a Perl Module
By brian d foy
Apr 14, 2010
brian d foy shows you how to use HTML::TreeBuilder so you end up using a natural, easy-to-follow interface that your maintenance programmers can understand. Now that's effective Perl.
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.
Test Now, Test Forever: A Philosophy of Perl Programming
By Peter J. Scott
Apr 30, 2004
Humans don't like creating QA tests. We became programmers to exercise our creativity, but "testing" conjures up images of slack-jawed drones looking for defects in bolts passing by them on a conveyor belt. The good news is that Perl's Test:: modules make it easier to overcome this natural aversion to writing tests at the time you're developing code.
Perl and XML Web Services
By Mark Riehl, Ilya Sterin
May 16, 2003
This chapter discusses web services and some of the Perl facilities that support them.
Programming in PerlNET: First Steps
By Yevgeny Menaker, Robert J. Oberg, Michael Saltzman
Mar 7, 2003
Learn how to compile and run PerlNET programs, and how to incorporate the input and output .NET classes into your programs. Also, examine an example program that involves user interaction and shows how to use Perl-specific constructions inside the .NET environment.
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.

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