September 2002
Intermediate to advanced
544 pages
13h 6m
English
Content preview from Sams Teach Yourself CGI in 24 Hours, Second Edition
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Hour 21. Handling Other Content Types
Throughout this book so far, the CGI programs have produced HTML output. As you know, though, a CGI program can produce any kind of output. You can use CGI programs to dynamically serve images, to stream content to users, and to authenticate users before letting them download files. In this lesson, you’ll learn:
How to set the proper content type for the content that you’re serving
How to send binary data from a CGI program
How to authenticate users before allowing them to download files
How to create a simple ad server
How to track users using images
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