Custom CGI Scripting with Perl

Name: Custom CGI Scripting with Perl
Availability: OutOfStock
ISBN: 9780471395973

ISBN-10: 0471395978

ISBN-13: 9780471395973

Edition: 2001

Authors: Kevin Hanegan

List price: $39.99

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The ultimate guide to creating and customizing CGI applications on the Web More and more Web developers are turning to the CGI (Common Gateway Interface) protocol to add interactivity and dynamic content to their Web sites. It's the most common method for transferring information between a Web server and a user. And Perl is the ideal language for CGI because it's an easy environment for building and testing simple programs. This book focuses on the principles behind both CGI and Perl to provide you with the most comprehensive reference in the field. Inside, you'll find everything you'll need to know to understand, implement, and customize Web sites with CGI scripts. The book begins with…

Book details

List price: $39.99
Copyright year: 2001
Publisher: John Wiley & Sons, Incorporated
Publication date: 2/6/2001
Binding: Paperback
Pages: 304
Size: 7.50" wide x 9.25" long x 0.75" tall
Weight: 1.188
Language: English



About the Author


Introduction


Getting Started


Overview of CGI


Chapter Objectives


What Is CGI?


Why Is CGI Useful?


Client/Server Applications


The HTTP Protocol


The CGI Process


Is CGI Dead?


Key Points


Summary


The CGI Framework


Chapter Objectives


Pros and Cons of Hosting Your Own Web Server


Hardware Concerns


Choosing a Platform


Choosing Web Server Software


What to Ask Your Web Hosting Company


Key Points


Summary


Installing a CGI Script


Chapter Objectives


Selecting a Text Editor


Uploading Your Files


Getting around on Your Web Server


Installing Your First CGI Script


Key Points


Summary


Perl Building Blocks


Introduction to Perl


Chapter Objectives


Origin of Perl


About the Language


Why Use Perl?


Perl Competitors


Writing Perl


Designing Your First Perl Script for the Internet


Key Points


Exercises


Summary


Using the Print Statement


Chapter Objectives


Using the Print Function


Using the Here Document


Using q and qq


Key Points


Exercises


Summary


Using Variables


Chapter Objectives


Scalar Variables


List Arrays


Key Points


Exercises


Summary


Statements and Conditionals


Chapter Objectives


Conditional Control Statements


Looping Control Statements


Key Points


Exercise


Summary


Using Subroutines


Chapter Objectives


Subroutine Basics


Return Values


Key Points


Exercises


Summary


Pattern Matching


Chapter Objectives


The Match Operator


Grouping and Memory


Substitutions


Key Points


Exercises


Summary


File Input and Output


Chapter Objectives


Creating a New File


File Tests


File Functions


Opening and Closing Files


Reading a File


Writing to a File


Appending to a File


File Permissions


File Locking


Key Points


Exercises


Summary


Working with HTML Forms


Chapter Objectives


Post


Get


Using cgi-lib.pl


Using CGI.pm


Page Redirection


Using Hidden Fields


Key Points


Exercises


Summary


Using Databases


Chapter Objectives


How Relational Databases Work


SQL


Using the DBI Module


Communicating with the Database


Key Points


Exercises


Summary


Interacting with Your Operating System


Chapter Objectives


Built-in Functions


System Calls


Sending Email


Getting the Time and Date


Key Points


Exercises


Summary


Advanced Perl Techniques


Error Handling


Chapter Objectives


Checking for Possible Errors


Handling Errors


Key Points


Exercises


Summary


Debugging Perl Scripts


Chapter Objectives


Server Errors


Syntax Errors


General Tips


Key Points


Summary


Securing Your Perl Script


Chapter Objectives


Origins of Security Breeches


Solutions


Wrappers


Key Points


Exercises


Summary


Putting It All Together


Planning Your Script


Chapter Objectives


Identify the Functionality


Maintainability


Key Points


Exercises


Summary


Email Response Form


Chapter Objectives


Address the Functionality


The Script


Uploading the Script


Troubleshooting the Script


Variations


Key Points


Exercises


Summary


Guestbook


Chapter Objectives


Address the Functionality


The Script


Advanced Technique


Uploading the Files


Troubleshooting the Files


Variations


Key Points


Exercises


Summary


Flat-File Databases


Chapter Objectives


Address the Functionality


Adding Entries to a Flat-File Database


The Script


Searching the Database


Deleting Entries from the Database


Troubleshooting the Files


Variations


Key Points


Exercises


Summary


Request and Response Headers


Sample Requests


General Headers


Date


Mime-Version


Pragma


Request Headers


Accept


Authorization


From


If-modified-since


Referer


User-agent


Response Headers


Retry-After


Server


Set-Cookie


Entity Headers


Allow


Expires


Content-encoding


Content-length


Content-type


Last-modified


Location


Server Status Code


Informational 1XX


Success 2XX


Redirection 3XX


Client Request Incomplete 4XX


Server Error 5XX


Basic Unix Commands


pwd


ls


mkdir


rmdir


cp


mv


rm


grep


Environment Variables


Auth_Type


Content_Length


Content_Type


Gateway_Interface


Http_Accept


Http_User_Agent


Path_Info


Path_Translated


Query_String


Remote_Addr


Remote_Host


Remote_Ident


Request_Method


Remote_User


Script_Name


Server_Name


Server_Port


Server_Protocol


Server_Software


Perl Special Variables


Special Variables Used with Files


$.


$/


$###


$^F


$ARGV


Special Variables Used with Patterns


$and


$'


$'


$+


$*


Special Variables Used with Arrays


$"


$[


$;


Special Variables Used with Printing


$,


$\


$


Special Variables Used with Processes


$$


$?


$0


$]


$!


$@


$^T


$^X


%ENV


%SIG


$[


$]


$)


Miscellaneous Special Variables


$_


$^D


@ARGV


@INC


%INC


Perl Built-in Functions


chdir


chmod


chop


chown


close


defined


delete


die


each


eval


exec


exists


exit


getc


grep


index


join


keys


last


length


localtime


mkdir


next


open


pop


print


push


read


rename


return


reverse


rmdir


s/reg exp/replacement text/


select


shift


sort


splice


split


stat


substr


system


time


undef


unlink


values


SQL Commands


Data Definition Language (DDL) Statements


Data Manipulation Language (DML) Statements


SQL Conditionals


Relational Operators


Logical Operators


Compound Conditionals


Perl Quick Reference


Scalars


Uninterpreted Strings


Interpreted Strings


Arrays


Manipulating Arrays


Associative Arrays


Manipulating Associative Arrays


Control Statements


File Input/Output


Printing to a File


Reading from a File


Regular Expressions


Example Patterns


Modifiers


String Matching


Special Variables


Substitutions and Translations


split() and join()


$_


Subroutines


Syntax


Examples


Returning Values


Index