Carping About DBI (
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One of the nice things about Perl is the huge amount of free code
out there. Available in the form of modules, this code can simplify many
common tasks while simultaneously offering a powerful toolkit for the
experienced developer. In this article, learn about two of the most popular
Perl modules: DBI, used for database connectivity, and Carp, used to
simplify error handling.One of the nice things about Perl - in fact, the only thing about it that makes wading through all those strange hashes, arrays and regexes worthwhile - is the huge amount of free code Perl developers have access to.
These code "modules", or standalone chunks of Perl code, are usually expressly designed for a specific purpose, and are therefore both focussed and efficient. For example, you might need a piece of Perl code to convert HTML to plain text, or a widget to calculate the value of pi to the 67th decimal place. These and other Perl modules are all available for fre, online - if you know where to look!
Over the next few pages, I'm going to take you on a brief tour of two of the most popular and useful Perl modules out there - DBI and Carp. Read on!
This article copyright Melonfire 2001. All rights reserved.
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