This is the source code and links for Chapter 18 of CGI Programming 101.

Chapter 18: Writing Your Own Modules


Name Description
Shopcart-pm.html Shopcart Module (source code)
catalog-cgi.html Cookie-based Shopping Cart: Catalog CGI (source code)
catalog.cgi Cookie-based Shopping Cart: Catalog CGI (example)
addcart-cgi.html Cookie-based Shopping Cart: Add-to-cart CGI (source code)
edcart-cgi.html Cookie-based Shopping Cart: Edit Cart CGI (source code)
order-cgi.html Cookie-based Shopping Cart: Checkout CGI (source code)
order2-cgi.html Cookie-based Shopping Cart: Checkout CGI 2 (source code)

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