Introduction to Perl & CGI

A graphical flow diagram illustrating 11 stages of a sample CGI script. Detailed information on all 11 stages is included.

Crashinto Learning Central offers tutorials on Perl, html, and more.

This is an article series intended to teach perl cgi programming from very starting points to higher level web programming skills. You will learn from very basic concepts and will continue to become a professional web programmer.

This is a series of short tutorials on programming in Perl. It covers a wide range of topics from Basic Syntax, Variables, Scalars, Strings, Functions, Lists, Arrays, Hashes to Conditionals, Subroutines, and File operators. Using all the concepts featured in the series, in the end, you will have a mailform that takes the results of an HTML form and mail the values to a specified person.

The author notes "This tutorial provides a problem-oriented introduction to Perl within the context of CGI. The approach is narrative. A problem is introduced and the tutorial then proceeds, step by step, to solve the problem. Perl concepts and features are introduced as they are needed to accomplish each step." This tutorial is divided into seven steps: Perl framework and mechanics; Hello, World; Hello, World, from CGI; Hello, World, from CGI, in HTML; Echo Environment Variables; Echo STDIN Variables; and Perl Library.

This tutorial provides a summary of basic Perl features, organized in categories. It consists of six major sections: Variables and their Related Operators, Control structures, Functions, Regular Expressions, Input/Output, and System Operators.

The first part in a new series that introduces Perl to people who haven't programmed before. Some of main topics covered include: Functions and Statements, Numbers, Strings and Quotes, Variables, Comments, Loops, and more.

Known as much for its confusing, often oddball, syntax as for its efficiency and speed, Perl has a mystique that very few languages can match. This first article in a new series gives novice and intermediate programmers an introduction to the basics of the language.

The part 3 of the Perl 101 series teaches you more about Perl's control structures - including the FOR and WHILE loops - and also introduces you to Perl's array variables.

A Beginner's guide to PERL An introduction to PERL which shows users how to parse forms, and use arrays. The tutorial has been designed with comprehensive examples and step by step explanations.

This is an introduction to simple output in a perl script. The case study goes into greater detail with quotes and EOF markers and how metacharacters and escape sequences modify the output.

This 8-page tutorial covers a wide range of Web programming in Perl. It starts off with the basic concepts, and then goes into more advanced topics such as subroutines, variables, functions, operators, control statements, and file manipulation. If you are just starting to learn Perl or want to go back to the basics of Perl, you will find this tutorial very helpful.

The tutorial covers the definition and how to start creating CGI programs in Perl. Many key CGI elements are explained with solid examples. Topics include: Forms, Environment Variables, Imagemaps, Tracking the User and more.

What is CGI? What is Perl? Chmod? Executable? 501 Errors? What is a cgi-bin? Find your answers to these questions in this introdutory CGI tutorial. It also covers creating dynamic content, configuration on the server-side, the whole server-side process, CGI script debugging, and more.

This tutorial walks you through the basics of creating CGIs with Perl on a Unix platform. At the end of this tutorial you will be able to create Perl programs for counting hits, storing and retrieving guestbook information, and processing secure passwords. You will also gain an understanding of how the Perl programming language works, and you will learn to use variables, IF statements, and loops in Perl.

Intended for anyone who knows HTML, but doesn't know Perl or CGI programming, this Web-based class introduces you to writing Perl CGI scripts, teaches you the basics of writing CGI's, and walks you through several examples of common CGI programming applications for the Web.

This introductory tutorial on CGI takes a look at what CGI is, requirements to run CGI scripts, how to install (upload) CGI scripts onto your server and more.

This CGI tutorial teaches you the basic skill of perl programming needed by all perl programmers. Topics include subroutines, 'if' statements, qq, error handling, debugging, and using forms.