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Index: W

-w command-line option : 2.4.4. Conversion Between Numbers and Strings

\w, in regular expressions : 7.3.1. Single-Character Patterns

-W operator : 10.5. The -x File Tests

-w operator : 10.5. The -x File Tests

wait operator : 14.4. Using fork

Wall, Larry

1.1. History of Perl

9.4. Labeled Blocks

9.6. && and || as Control Structures

18.2. Converting sed Programs to Perl

Foreword

Second Edition Update

Support

while statement

1.5.4. Guessing the Secret Word

4.3. The while/until Statement

9.5. Expression Modifiers

example of

A.3. Chapter 4, Control Structures

A.6. Chapter 7, Regular Expressions

1.5.13. Many Secret Word Files in the Current Directory

1.5.9. Making It a Bit More Modular

1.5.17. The Final Programs

5.4.1. The keys Function

5.4.3. The each Function

6.1. Input from STDIN

last operator and : 9.1. The last Statement

next operator and : 9.2. The next Statement

redo operator and : 9.3. The redo Statement

until modifier : 9.5. Expression Modifiers

whitespace : 1.4. Basic Concepts

between array values when interpolated : 3.7. Variable Interpolation of Arrays

in formats : 11.2. Defining a Format

in pack format string : 16.2. Packing and Unpacking Binary Data

in Perl programs : 1.4. Basic Concepts

in regular expressions : 7.3.1. Single-Character Patterns

who command, example of

1.4. Basic Concepts

14.1. Using system and exec

14.2. Using Backquotes

widgets

19.6. Form Generation

19.7. Other Form Elements

19.8.2. Objects in CGI.pm

word boundaries : 7.3.3. Anchoring Patterns

example of : 1.5.7. Handling Varying Input Formats

word characters, in regular expressions : 7.3.1. Single-Character Patterns

words, and filled fields in formats : 11.4.4. Filled Fields

write(�) operator

1.5.14. Listing the Secret Words

11.3. Invoking a Format

example of

A.15. Chapter 16, System Database Access

1.5.17. The Final Programs

11.3. Invoking a Format

writing reports

1.5.14. Listing the Secret Words

11.1. What Is a Format?

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