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Index: D

• -d operator : The -x File Tests
• d, as delete option of tr : Transliteration
• d, in regular expressions : Single-Character Patterns
• dangling else, and impossibility of : The if/unless Statement
• database interface modules : Database Interfaces
• databases
• • fixed-length records in : Fixed-Length Random-Access Databases
  • human-readable : Variable-Length ( Text) Databases
  • managing with the DBM library : DBM Databases and DBM Hashes
  • random-access : Fixed-Length Random-Access Databases
• daytime server : Simple Client
• DBM array : DBM Databases and DBM Hashes
• DBM files : Maintaining a Last-Good-Guess Database
• DBM library : DBM Databases and DBM Hashes
• dbmclose( ) : Opening and Closing DBM Hashes
• • example of : The Final Programs
• dbmopen( ) : Opening and Closing DBM Hashes
• • examples of
  • • The Final Programs
    • Maintaining a Last-Good-Guess Database
• debugger : The Debugger
• decimal points, in floating-point numbers : Float Literals
• default filehandle : Using Filehandles
• default values, implemented with || operator : Making It a Bit More Modular
• defensive developing : Advanced Sorting
• defining a format : Defining a Format
• delete operator : The delete Function
• delete( ), example of : Using a DBM Hash
• DeleteKey( ) : More Registry Operations
• deleting characters : Transliteration
• deleting Registry keys : More Registry Operations
• delimiters, for tr : Transliteration
• diamond operator (<>)
• • Input from the Diamond Operator
  • Variable-Length ( Text) Databases
  • examples of
  • • Functions
    • Filehandles and File Tests
    • Other Data Transformation
    • Database Manipulation
    • Simple Uses of Regular Expressions
• die( ) : Slight Diversion: die
• • examples of : Directory Access
  • using : Many Secret Word Files in the Current Directory
• directories, renaming files into : Renaming a File
• directory handles : Directory Handles
• • creating : Opening and Closing a Directory Handle
• division, operators for : Operators for Numbers
• Documentation : Documentation
• documentation : Documentation
• DomainName module : Win32 Extensions
• dot (.)
• • as current directory : Directory Access
  • example of : Functions
• double-quote interpolation : (see variable interpolation)
• double-quoted strings : Double-Quoted Strings
• • backslash escape and : Double-Quoted Strings
  • example of : Asking Questions and Remembering the Result
  • hash elements : The keys Function
  • variable interpolation : Interpolation of Scalars into Strings

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