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Index: D
- d (delete option of tr)
: 15.5. Transliteration
- \d, in regular expressions
: 7.3.1. Single-Character Patterns
- -d operator
: 10.5. The -x File Tests
- dangling else, and impossibility of
: 4.2. The if/unless Statement
- database management, using the DBM library
: 17.1. DBM Databases and DBM Hashes
- databases
- 17.4. Fixed-Length Random Access Databases
- 17.5. Variable-Length ( Text) Databases
- date command, examples of
- A.13. Chapter 14, Process Management
- 1.4. Basic Concepts
- 14.1. Using system and exec
- DBM array
: 17.1. DBM Databases and DBM Hashes
- DBM files
: 1.5.16. Maintaining a Last-Good-Guess Database
- DBM library
: 17.1. DBM Databases and DBM Hashes
- dbmclose( ) operator
- 1.5.17. The Final Programs
- 17.2. Opening and Closing DBM Hashes
- dbmopen( ) operator
: 17.2. Opening and Closing DBM Hashes
- examples of
- A.16. Chapter 17, User Database Manipulation
- 1.5.16. Maintaining a Last-Good-Guess Database
- 1.5.17. The Final Programs
- debugger
: D.2. The Debugger
- decimal points, in floating-point numbers
: 2.2.2. Float Literals
- default filehandle
: 10.4. Using Filehandles
- default values, implemented with || operator
: 1.5.9. Making It a Bit More Modular
- DEFAULT, as special value for %SIG
: 14.6. Sending and Receiving Signals
- defensive programming
: 15.4. Advanced Sorting
- defining a format
: 11.2. Defining a Format
- Delete as interrupt signal
: 14.6. Sending and Receiving Signals
- delete function
: 5.4.4. The delete Function
- delete( ) operator, example of
: 17.3. Using a DBM Hash
- deleting characters
: 15.5. Transliteration
- delimiters, for tr
: 15.5. Transliteration
- diamond operator (<>)
: 6.2. Input from the Diamond Operator
- examples of
- A.7. Chapter 8, Functions
- A.9. Chapter 10, Filehandles and File Tests
- A.14. Chapter 15, Other Data Transformation
- A.16. Chapter 17, User Database Manipulation
- diamond operator (<\>)
: 17.5. Variable-Length ( Text) Databases
- examples of
: 7.2. Simple Uses of Regular Expressions
- die( ) operator
- 1.5.13. Many Secret Word Files in the Current Directory
- 10.3. A Slight Diversion: die
- examples of
- A.11. Chapter 12, Directory Access
- 13.3.2. Creating Hard and Soft Links with Perl
- directories, renaming files into
: 13.2. Renaming a File
- directory handles
: 12.3. Directory Handles
- division, operators for
: 2.4.1. Operators for Numbers
- double-quote interpolation
: (see variable interpolation)
- double-quoted strings
: 2.3.2. Double-Quoted Strings
- associative array elements and
: 5.4.1. The keys Function
- backslash escape and
: 2.3.2. Double-Quoted Strings
- example of
: 1.5.2. Asking Questions and Remembering the Result
- variable interpolation and
: 2.6.4. Interpolation of Scalars into Strings
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