برنامه‌نویسی CGI در C و پرل

convey a great deal of information, but eventually their limitations become clear. What if you wish to provide dynamic data--information that changes over time? What if you want to sell products on your Web site and secure payment information from users? Or what if you seek to provide a search facility that permits a Web database to be explored? Dynamic resources of this sort are accomplished through CGI (Common Gateway Interface) programming. CGI programs can take advantage of any resource available to the server computer to generate their output and can also accept input from the user through forms. These two basic capabilities have led to a wide variety of applications, such as forms processing, generation of inline images and movies, the formatting of data sets based on queries to a database, real-time updates to Web pages, and more. CGI Programming in C and Perl shows you how to create these interactive, multimedia documents via CGI programming in two practical languages: C, which has distinct performance advantages, and Perl, one of the most popular for CGI today. Applications and source code are presented in both languages in the book and on the CD-ROM. Youll learn how to: g

The simple, static hypertext documents that currently dominate the Web canconvey a great deal of information, but eventually their limitations becomeclear. What if you wish to provide dynamic data--information that changes overtime? What if you want to sell products on your Web site and secure paymentinformation from users? Or what if you seek to provide a search facility thatpermits a Web database to be explored? Dynamic resources of this sort areaccomplished through CGI (Common Gateway Interface) programming.

CGI programs can take advantage of any resource available to the servercomputer to generate their output and can also accept input from the userthrough forms. These two basic capabilities have led to a wide variety ofapplications, such as forms processing, generation of inline images and movies,the formatting of data sets based on queries to a database, real-time updatesto Web pages, and more.

CGI Programming in C and Perl shows you how to create theseinteractive, multimedia documents via CGI programming in two practicallanguages: C, which has distinct performance advantages, and Perl, one of themost popular for CGI today. Applications and source code are presented in both languages.

You'll learn how to:

• generate HTML pages and images on the fly
• get CGI access on your ISP's site
• ensure security for your CGI-activated site
• parse form submissions directly
• send e-mail via forms and CGI.

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CGI Programming in C & Perl shows you how to create interactive, multimedia documents via CGI programming in two practical languages: C, which has distinct performance advantages, and Perl, one of the most popular for CGI today. Applications and source code are presented in both languages in the book and on the CD-ROM. You'll learn how to generate HTML pages and images on the fly, get CGI access on your ISP's site, ensure security for your CGI-activated site, parse form submissions directly, and send e-mail via forms and CGI. The CD-ROM contains a complete range of CGI software libraries in both C and Perl, ready to plug into your Web site: Thomas Boutell's cgic library, a complete CGI implementation in C; the gd dynamic graphics library for GIF generation in C; the popular Mapedit imagemap editing program; several Perl libraries; and all the source code and sample applications from the book. This text explains how to write CGI (Common Gateway Interface) scripts to implement dynamic documents that provide interactivity and multimedia features on the World Wide Web for UNIX servers. The book provides examples in both C and Perl, the two most commonly used languages for CGI.