CGI Fast and Easy Web Development

Name: CGI Fast and Easy Web Development
Price: 5.7 USD
Availability: InStock
ISBN: 9780761529385

ISBN-10: 0761529381

ISBN-13: 9780761529385

Edition: 2000

Authors: Johnnie Christenberry, Troy McKenna, T. C. Bradley

List price: $24.99

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This text is a tool for Web developers with little or no programming experience. Experienced programmers will find it a helpful reference tool and may gain a better understanding of many of the processes currently used.

Book details

List price: $24.99
Copyright year: 2000
Publisher: Course Technology
Binding: Paperback
Pages: 443
Size: 7.50" wide x 9.00" long x 1.00" tall
Weight: 1.738
Language: English

Introduction	p. xvii
CGI: An Introduction	p. 1
CGI and the Web	p. 3
What Is CGI?	p. 4
Why Use CGI?	p. 5
Why Is CGI Important to the Web Designer?	p. 7
Who Uses CGI?	p. 8
CGI Basics	p. 9
What You Need to Run CGI Applications	p. 10
CGI Server Requirements	p. 11
Getting Started with CGI	p. 12
Creating Your cgi-bin	p. 12
CGI Programming Languages	p. 16
Your Choices	p. 16
The Most Popular CGI Language: Perl	p. 16
Preparing Your Web Page for CGI	p. 18
Summary	p. 21
Writing Your CGI Application	p. 23
Planning Ahead Is Important	p. 24
Using Multiple Languages	p. 24
Using Multiple HTML Pages	p. 25
Adopting Proper Form Design	p. 28
Planning the Database Design	p. 29
Writing Pseudocode	p. 32
Learning the Programming Basics	p. 35
Understanding the Difference Between Programs and Scripts	p. 36
Learning the Perl Basics	p. 36
Summary	p. 48
Your First CGI Application	p. 49
Creating Your Application Using Perl	p. 50
Adding Comments to Your Application	p. 50
Creating Your Application on a PC or Mac	p. 53
Creating Your Application on a UNIX Server	p. 62
Changing the Permissions of Your Application	p. 64
Starting Your CGI Application Using Perl	p. 66
Finding Perl on Your Server	p. 66
Using the Interpreter's Location in Your Application	p. 68
Writing Your Perl Code	p. 69
Running Your CGI Application	p. 75
Using the URL to Run the Application	p. 75
Using a Test HTML Form to Run the Application	p. 76
Summary	p. 77
Basic Data	p. 79
Getting the Data from Vistors to Your Web Page	p. 81
Gathering Data from Your Visitors	p. 82
Using Data Labels	p. 82
Using Name Attributes or HTML Labels	p. 83
Developing Your HTML Form	p. 85
Using Text Input Fields	p. 85
Using Selected Choice Inputs	p. 93
Creating Action Buttons	p. 100
Adding Default Values to Your Forms	p. 106
Adding Links to Your Forms	p. 108
Using Environment Variables	p. 111
Using Post versus Get	p. 111
Determining Browser and Platform Information	p. 117
Determining Navigation Information	p. 119
Viewing All Environment Variables at Once	p. 120
Summary	p. 121
Getting the Data Into Your CGI Application	p. 123
The Importance of the Data in Your Application	p. 124
The Ability to Interact	p. 124
The Means of Communicating with Your Visitors	p. 124
Inputting User Data	p. 125
Parsing Data from Forms and Links	p. 125
Inputting Data from Environment Variables	p. 136
Inputting Data Yourself	p. 137
Inputting Data from Scalars	p. 138
Inputting Data from Arrays	p. 139
Inputting Data from Hashes	p. 142
Dealing with Potential Problems	p. 145
Incorrect Input from Your Users	p. 145
Faulty Data that You Input	p. 146
Summary	p. 147
Scalars	p. 148
Storing Scalar Information	p. 149
Initial Data	p. 149
Results of Operations	p. 150
Using Numbers as Scalar Variables	p. 152
Addition	p. 152
Subtraction	p. 154
Multiplication	p. 155
Division	p. 159
Using Multiple Operators	p. 162
Using Strings as Scalar Variables	p. 164
Connecting Strings	p. 164
Repeating Strings	p. 166
Assigning Values to a Variable	p. 167
Manipulating Variable Values	p. 168
Summary	p. 172
Arrays	p. 173
Splitting a Scalar Into an Array	p. 174
Reasons for Splitting a Scalar	p. 174
The Process of Splitting a Scalar	p. 175
Determining the Length of an Array	p. 177
Using a Scalar Variable	p. 177
Using the Index Number	p. 179
Retrieving Array Data	p. 181
Retrieving a Specific Item	p. 182
Retrieving Multiple Items	p. 186
Modifying an Array	p. 191
Modifying the Entire Array	p. 191
Adding Elements to an Array	p. 195
Removing Array Elements	p. 199
Replacing Array Elements	p. 203
Reversing the Order of Elements	p. 206
Manipulating Arrays	p. 207
Combining Arrays	p. 207
Sorting Arrays	p. 208
Summary	p. 209
Hashes	p. 210
Checking for the Existence of a Key	p. 211
Why Checking Is Important	p. 211
How to Check for a Key	p. 211
Retrieving Hash Values Using Keys	p. 214
Retrieving a Single Value	p. 214
Retrieving Multiple Values	p. 216
Retrieving All the Hash Data	p. 218
Finding All Hash Values	p. 218
All Hash Keys	p. 219
Retrieving Specific Keys and Values	p. 221
Retrieving the First Key and Value	p. 221
Retrieving Each Key and Value	p. 224
Retrieving Key-Value Pairs with the Keys Function	p. 225
Removing Key-Value Pairs	p. 228
Summary	p. 232
Conditional Statements	p. 233
Comparing Values	p. 234
Number Comparison	p. 234
String Comparison	p. 235
Evaluating without Comparisons	p. 237
Checking Multiple Comparisons	p. 237
Creating Your Conditional Statement	p. 239
Using Conditional Statement Blocks	p. 245
The if/unless Statement	p. 245
The while/until Statement	p. 248
The do {} while/until Statement	p. 251
The for Statement	p. 255
The foreach Statement	p. 258
Nested Conditional Statements	p. 260
Summary	p. 262
Advanced Data	p. 263
Handling Data with Regular Expressions	p. 265
Using Regular Expressions	p. 266
Matching Text Patterns	p. 267
Single Character Patterns	p. 267
Group Patterns	p. 271
Anchor Patterns	p. 274
Precedence	p. 277
Using the Matching Operator	p. 277
Choosing a Different Target	p. 278
Ignoring String Case	p. 280
Using Different Delimiters	p. 282
Variable Interpolation	p. 284
Making Substitutions with Regular Expressions	p. 287
Advanced Substitutions	p. 288
Using the Split Function	p. 291
Summary	p. 294
Subroutines	p. 295
Creating a Subroutine	p. 296
A Basic Subroutine	p. 296
A Subroutine that Requires Input	p. 297
Storing a Subroutine	p. 298
Calling a Subroutine	p. 299
Calling a Basic Subroutine	p. 300
Calling a Subroutine that Requires Input	p. 300
Calling a Subroutine from an External File	p. 303
Subroutine Return Values	p. 304
Using the Subroutine Return Value	p. 305
Manually Setting the Return Value	p. 307
Summary	p. 309
Retaining Visitor Data	p. 310
Creating Hidden Fields	p. 311
Adding Hidden Fields to Your Form	p. 311
Using a Hidden Field to Store Collected Data	p. 313
Understanding Cookies	p. 316
Setting Cookies	p. 317
Reading Your Cookies	p. 325
Tossing Your Cookies	p. 326
Putting It All Together	p. 328
Summary	p. 332
Outputting Data	p. 333
Generating STDOUT Output	p. 334
Normal Output Using print	p. 334
Formatted Output Using printf	p. 336
Generating HTML Formatted Output	p. 339
Adding HTML Formats to Output	p. 339
Printing Multiple Lines	p. 340
Image and Path Links	p. 342
Generating Header and Footer Subroutines	p. 343
Creating Header and Footer Subroutines	p. 344
Calling Header Subroutines	p. 346
Calling Footer Subroutines	p. 347
Generating Table and List Outputs	p. 348
Outputting a Hash as a Table	p. 349
Outputting an Array as a List	p. 351
Formatting Numbers and Strings	p. 352
Printing Formatted Data	p. 353
Formatting Numbers as Dollars and Cents	p. 354
Padding Numbers	p. 356
Summary	p. 357
Formats	p. 359
Using Formats	p. 360
Defining a Format	p. 361
Invoking a Format	p. 363
Using Fields	p. 364
Text Fields	p. 368
Numeric Fields	p. 369
Multiline Fields	p. 370
Filled Fields	p. 372
Using the Top-of-Page Format	p. 373
Changing Format Defaults	p. 376
Changing the Format Names	p. 376
Changing the Page Length	p. 378
Summary	p. 379
Files and Directories	p. 380
Using Files	p. 381
Opening Files	p. 381
Closing Files	p. 386
Writing to Files	p. 387
Reading Data from Files	p. 388
Exclusive File Access	p. 390
Renaming Files	p. 391
Removing Files	p. 394
Checking the Status of Files	p. 395
Using Directories	p. 398
Opening Directories	p. 398
Closing Directories	p. 399
Viewing Directory Contents	p. 400
Changing the Directory	p. 401
Creating New Directories	p. 402
Removing Directories	p. 403
Using File and Directory Operations	p. 404
Verifying Files and Directories	p. 404
Changing Permissions In Your Application	p. 405
Eliminating Characters	p. 406
Summary	p. 408
Appendixes	p. 409
Debugging Your Application	p. 411
Understanding Debugging	p. 412
Deciphering Error Messages	p. 413
The Dreaded 500 Internal Server Error	p. 414
403 Forbidden	p. 419
The Document Contained No Data	p. 419
404 File Not Found	p. 423
Using Other Valuable Debugging Tools	p. 424
Using Error Subroutines	p. 424
Summary	p. 431
What's On the CD-ROM	p. 432
Running the CD	p. 433
Linux	p. 433
Windows 95/98/2000/NT	p. 433
The Prima License	p. 434
The Prima User Interface	p. 434
Resizing and Closing the User Interface	p. 434
Using the Left Panel	p. 434
Using the Right Panel	p. 435
Index	p. 436
Table of Contents provided by Syndetics. All Rights Reserved.