Most Popular Scripts | CGI & Perl | Tutorials & Tips

This is a quick explanation of how URL-Encoded CGI input can be decoded and processed to a useful form.

This article discusses some of the wrong ways for using cookies, and how to use them safely.

Server Side Includes allow you to write some commonly used code once and have the server insert it into the pages for you. They cut down your development time by more than 100% as you only need to make changes in the include file and it automatically gets updated in all the pages that use the include. Best of all it reduces our FTP time as you only need to FTP one file and not all the pages using the Include. They are a huge time savers. This guide describes what SSIs are, and how to use them.

This is a comprehensive tutorial on how to create your own image counter CGI on your Web page. Main topics include: Make the CGI Directory, Make A Directory for the Counter's Files, Altering the Script For Your Server, Find the Absolute Path, Turn on the CGI/COUNT Directories, Getting A Count On A Page, Locking Out Others, and more. Full source code is available.

This article describes the facilities provided for file handling in Perl. Learn how to operate on files including how to open, read, write and close both binary and text files.

Learn the basics of programming in Perl. All the basic programming topics are covered with advanced topics like file manipulation and database interaction for adventerous programmers.

To increase the interactiving and ability of the script to "remember" things, we'll need to store some information in separate files. This tutorial shows you how Perl allows you to create, edit and delete files. Some additional, and useful, information on parsing your data is also included.

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.

This article describes a simple and effective method to format a CGI script's output from HTML templates, by replacing special template directives with dynamic content on the fly.

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.

Get the lowdown on .htaccess and how to use it to customize your site's error pages, password protect directories, deny user(s) by IP, prevent hot linking of your site's images, and more.

The excerpt from Perl in a Nutshell (O'Reilly & Associates), provides an overview of mod_perl including how to install it on your machine, how to improve CGI performance using mod_perl, as well as a listing of the most commonly used mod_perl modules.

Here's how to get started using SQL and SQL-driven databases from Perl. Main topics include: General information about relational databases, About SQL, What DBI is For, Example of How to Use DBI, Cached Queries, and Transactions.

Using simple html code, this page shows you how to place the current date and time anywhere on your web pages without using any scripts. Requires SSI.

Web developers often need ways of speeding up the development process, without spending thousands of dollars for software. Here's how to build an easy to use flat-file database in Perl and access it via a web page.

This tutorial is very helpful for beginners to understand the basic concepts of Perl language. It contains quiz at the end of lesson, that you should take to test your understanding of the tutorial.

A short article on using blob fields with perl that does not assume that you are an old hand at perl. The code uses a real world example from the open source megaupload project.

This compact tutorial introduces what Server Side Includes is, how it works, how to configure .htaccess for SSI to work, a few key SSI Tags, and more.

Features: The script generates vertical bar chart for any number of elements. Easy Customization of graph elements, x-axis and y-axis lables, and color. Requires to install graphs module. Simple and easy to use. Supports almost all mordern browsers.

Perl is a family of high-level, general-purpose, interpreted, dynamic programming languages. Perl borrows features from other programming languages including C, shell scripting (sh), AWK, and sed. The language provides powerful text processing facilities without the arbitrary data-length limits of many contemporary Unix tools, facilitating easy manipulation of text files.