Optional Software

If you plan to run your Web scripts under mod_perl, visit http://perl.apache.org/ for distributions and instructions.

Many of the scripts in this book use additional Perl modules besides those listed in the previous section. Some of these modules (such as IO::File or Time::Local) should be present in the standard Perl distribution. Others may not be installed and you’ll need to obtain them:

  • Business::CreditCard

    This module contains routines for checking credit card numbers. It’s used in Chapter 10, “E-Commerce Applications.”

  • Crypt::CBC

  • A cryptography module used for encryption in Chapter 9, “Security and Privacy Issues.” This module isn’t used by itself; you’ll need another subsidiary module to go along with it, such as Crypt::Blowfish ...

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