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Index: W

• -w command-line option : Conversion Between Numbers and Strings
• w, in regular expressions : Single-Character Patterns
• -W operator : The -x File Tests
• -w operator : The -x File Tests
• wait operator : Using fork
• Wall, Larry
• • History of Perl
  • Labeled Blocks
  • && and || as Control Structures
  • Converting sed Programs to Perl
  • Foreword
  • Second version Update
  • Support
• while statement
• • Guessing the Secret Word
  • The while/until Statement
  • Expression Modifiers
  • example of
  • • Control Structures
    • Regular Expressions
    • Many Secret Word Files in the Current Directory
    • Making It a Bit More Modular
    • The Final Programs
    • The keys Function
    • The each Function
    • Input from STDIN
  • last operator and : The last Statement
  • next operator and : The next Statement
  • redo operator and : The redo Statement
  • until modifier : Expression Modifiers
• whitespace : Basic Concepts
• • between array values when interpolated : Variable Interpolation of Arrays
  • in formats : Defining a Format
  • in pack format string : Packing and Unpacking Binary Data
  • in Perl programs : Basic Concepts
  • in regular expressions : Single-Character Patterns
• who command, example of
• • Basic Concepts
  • Using system and exec
  • Using Backquotes
• widgets
• • Form Generation
  • Other Form Elements
  • Objects in CGI.pm
• word boundaries : Anchoring Patterns
• • example of : Handling Varying Input Formats
• word characters, in regular expressions : Single-Character Patterns
• words, and filled fields in formats : Filled Fields
• write( ) operator
• • Listing the Secret Words
  • Invoking a Format
  • example of
  • • System Database Access
    • The Final Programs
    • Invoking a Format
• writing reports
• • Listing the Secret Words
  • What Is a Format?

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