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Index: D

SQL queries

Perl Cookbook, 14.10. Executing an SQL Command Using DBI and DBD
Perl Cookbook, 19.7. Formatting Lists and Tables with HTML Shortcuts

storing complex data in DBM files : Perl Cookbook, 14.8. Storing Complex Data in a DBM File

text files as database arrays : Perl Cookbook, 14.7. Treating a Text File as a Database Array

database handles (DBI methods) : Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles

DBDs (database drivers) : Perl in a Nutshell, 12.2.1. Database Drivers (DBDs)

DBI module : Perl in a Nutshell, 12.2. Design of DBI

DBM (Database Management) facility : Perl in a Nutshell, 12.1. DBM Databases and DBM Hashes

fixed-length records in : Learning Perl on Win32 Systems, 17.4. Fixed-Length Random-Access Databases

generating schema for : Advanced Perl Programming, 17.2.1. Oh, and Can You Do This Too?

human-readable : Learning Perl on Win32 Systems, 17.5. Variable-Length (Text) Databases

locking : Programming Perl, 7.2.8.7. Locking databases

managing with DBM library : Learning Perl, 17.1. DBM Databases and DBM Hashes

mapping : Advanced Perl Programming, 11.2.4. Multivalued Attributes and Database Mapping

random-access : Learning Perl on Win32 Systems, 17.4. Fixed-Length Random-Access Databases

dataend() (Net::SMTP) : Perl in a Nutshell, Chapter 14, Reference: dataend

datagram sockets

Perl Cookbook, 17.0. Introduction
Perl Cookbook, 17.4. Setting Up a UDP Client

DataReceiveTimeout() (Win32::Internet) : Perl in a Nutshell, Chapter 19, Reference: DataReceiveTimeout

datasend() (Net::SMTP) : Perl in a Nutshell, Chapter 14, Reference: datasend

DataSendTimeout() (Win32::Internet) : Perl in a Nutshell, Chapter 19, Reference: DataSendTimeout

date() (Net::NNTP)

(see also localtime())

Perl in a Nutshell, Chapter 15, Reference: date

examples of

Learning Perl, A.13. Chapter 14, Process Management
Learning Perl, 1.4. Basic Concepts
Learning Perl, 14.1. Using system and exec

date and time

Perl Cookbook, 3.0. Introduction

Programming Perl, 3.2.173. time

alarms : Programming Perl, 3.2.5. alarm

arithmetic with : Perl Cookbook, 3.4. Adding to or Subtracting from a Date

converting to/from Epoch seconds : Perl Cookbook, 3.2. Converting DMYHMS to Epoch Seconds

Date::DateCalc module

Perl Cookbook, 3.0. Introduction
Perl Cookbook, 3.4. Adding to or Subtracting from a Date
Perl Cookbook, 3.5. Difference of Two Dates
Perl Cookbook, 3.6. Day in a Week/Month/Year or Week Number

Date::Manip module

Perl Cookbook, 3.0. Introduction
Perl Cookbook, 3.7. Parsing Dates and Times from Strings
Perl Cookbook, 3.8. Printing a Date
Perl Cookbook, 3.11. Program: hopdelta

days, calculating : Perl Cookbook, 3.6. Day in a Week/Month/Year or Week Number

executing, Benchmark for : Programming Perl, 7.2.4. Benchmark - Check and Compare Running Times of Code

file access/modification

Perl Cookbook, 9.1. Getting and Setting Timestamps
Programming Perl, 3.2.159. stat
Programming Perl, 3.2.186. utime

file age : Programming Perl, 2.5.10. Named Unary and File Test Operators

functions for : Perl in a Nutshell, 5.1. Perl Functions by Category

Greenwich Mean (GMT) : Programming Perl, 3.2.70. gmtime

high-resolution timers : Perl Cookbook, 3.9. High-Resolution Timers

hopdelta program : Perl Cookbook, 3.11. Program: hopdelta

HTTP::Date module : Perl in a Nutshell, 17.3.5. HTTP::Date

limits on operations : Programming Perl, 6.2.1. Signals

for local timezone : Programming Perl, 3.2.88. localtime

local, computing : Programming Perl, 7.2.75. Time::Local - Efficiently Compute Time from Local and GMT Time

manipulation of

Learning Perl, 1.5.16. Maintaining a Last-Good-Guess Database
Learning Perl on Win32 Systems, 1.6.16. Maintaining a Last-Good-Guess Database

modifying timestamps

Learning Perl, 13.7. Modifying Timestamps
Learning Perl on Win32 Systems, 13.5. Modifying Timestamps

parsing information from strings : Perl Cookbook, 3.7. Parsing Dates and Times from Strings

printing : Perl Cookbook, 3.8. Printing a Date

script running : Programming Perl, 2.5.10. Named Unary and File Test Operators

sleeping : Programming Perl, 3.2.150. sleep

sleeps : Perl Cookbook, 3.10. Short Sleeps

sorting mail by (example) : Perl Cookbook, 10.17. Program: Sorting Your Mail

Time modules

Time::gmtime module

Perl Cookbook, 3.0. Introduction
Perl Cookbook, 3.3. Converting Epoch Seconds to DMYHMS
Perl in a Nutshell, 8.159. Time::gmtime

Time::HiRes module : Perl Cookbook, 3.9. High-Resolution Timers

Time::Local module

Perl Cookbook, 3.0. Introduction
Perl Cookbook, 3.2. Converting DMYHMS to Epoch Seconds
Perl in a Nutshell, 8.160. Time::Local

Time::localtime module

Perl Cookbook, 3.0. Introduction
Perl in a Nutshell, 8.161. Time::localtime

Time::timelocal : Perl Cookbook, 3.3. Converting Epoch Seconds to DMYHMS

Time::tm module

Perl Cookbook, 3.0. Introduction
Perl in a Nutshell, 8.162. Time::tm

timing out operations : Perl Cookbook, 16.21. Timing Out an Operation

today's : Perl Cookbook, 3.1. Finding Today's Date

UNIX internal format

Learning Perl, 13.7. Modifying Timestamps
Learning Perl on Win32 Systems, 13.5. Modifying Timestamps

years : Perl Cookbook, 3.0. Introduction

date_difference() : Perl Cookbook, 3.5. Difference of Two Dates

date_time_difference() : Perl Cookbook, 3.5. Difference of Two Dates

DateCalc() : Perl Cookbook, 3.11. Program: hopdelta

dates_difference()

Perl Cookbook, 3.5. Difference of Two Dates
Perl Cookbook, 3.6. Day in a Week/Month/Year or Week Number

datesort program (example) : Perl Cookbook, 10.17. Program: Sorting Your Mail

day_of_week() : Perl Cookbook, 3.6. Day in a Week/Month/Year or Week Number

days : (see date and time)

daytime server : Learning Perl on Win32 Systems, C.1. A Simple Client

DB package, caller function : Programming Perl, 3.2.10. caller

db2gdbm program (example) : Perl Cookbook, 14.3. Converting Between DBM Files

DB_File module

Advanced Perl Programming, 10.3.3. Berkeley DB
Perl Cookbook, 11.14. Transparently Persistent Data Structures
Perl in a Nutshell, 8.40. DB_File
Programming Perl, 7.2.1. AnyDBM_File - Provide Framework for Multiple DBMs
Programming Perl, 7.2.8. DB_File - Access to Berkeley DB
sorting large DBM files : Perl Cookbook, 14.6. Sorting Large DBM Files
text files as database arrays : Perl Cookbook, 14.7. Treating a Text File as a Database Array

DB_RECNO access method : Perl Cookbook, 8.8. Reading a Particular Line in a File

DBD module : Perl Cookbook, 14.10. Executing an SQL Command Using DBI and DBD

DBDs (database drivers)

Perl in a Nutshell, 12. Databases and Perl
Perl in a Nutshell, 12.2.1. Database Drivers (DBDs)
DBD::Oracle module : Advanced Perl Programming, 10.4.1. DBI (Database Interface)

DBI_ environment variables : Perl in a Nutshell, 12.4. DBI Environment Variables

DBI module

Advanced Perl Programming, 11.1. Adaptor: An Introduction
Perl Cookbook, 14.10. Executing an SQL Command Using DBI and DBD
Perl Cookbook, 19.7. Formatting Lists and Tables with HTML Shortcuts
Perl Cookbook, 20.9. Creating HTML Templates
Perl in a Nutshell, 12. Databases and Perl
Perl in a Nutshell, 12.2. Design of DBI
database and statement handles : Perl in a Nutshell, 12.2.3. Database Handles and Statement Handles
database mapping : Advanced Perl Programming, 11.2.4. Multivalued Attributes and Database Mapping
environment variables for : Perl in a Nutshell, 12.4. DBI Environment Variables
implementation of : Advanced Perl Programming, 11.3.2. Adaptor::DBI
methods of : Perl in a Nutshell, 12.3. DBI Methods
object uniqueness and : Advanced Perl Programming, 11.2.8. Uniqueness of Objects in Memory

DBI specification : Advanced Perl Programming, 10.4.1. DBI (Database Interface)

dblockdemo program (example) : Perl Cookbook, 14.5. Locking DBM Files

DBM array : Learning Perl, 17.1. DBM Databases and DBM Hashes

dbm close function : Programming Perl, 3.2.23. dbmclose

DBM files

Learning Perl, 1.5.16. Maintaining a Last-Good-Guess Database

Learning Perl on Win32 Systems, 1.6.16. Maintaining a Last-Good-Guess Database

Programming Perl, 3.2.23. dbmclose

complex data in : Perl Cookbook, 14.8. Storing Complex Data in a DBM File

converting between : Perl Cookbook, 14.3. Converting Between DBM Files

deleting from : Programming Perl, 3.2.26. delete

emptying : Perl Cookbook, 14.2. Emptying a DBM File

GDBM files

Perl Cookbook, 14.0. Introduction
Perl Cookbook, 14.3. Converting Between DBM Files

locking : Perl Cookbook, 14.5. Locking DBM Files

making and using : Perl Cookbook, 14.1. Making and Using a DBM File

merging : Perl Cookbook, 14.4. Merging DBM Files

NDBM files : Perl Cookbook, 14.0. Introduction

sorting : Perl Cookbook, 14.6. Sorting Large DBM Files

tie statement with : Advanced Perl Programming, 9.3. Tying Hashes

DBM libraries : Perl Cookbook, 14.0. Introduction

DBM modules

Advanced Perl Programming, 10.3.1. DBM
Learning Perl, 17.1. DBM Databases and DBM Hashes
Perl in a Nutshell, 12.1. DBM Databases and DBM Hashes
Programming Perl, 7.2.1. AnyDBM_File - Provide Framework for Multiple DBMs

dbmclose()

Perl Cookbook, 14.1. Making and Using a DBM File
Learning Perl, 1.5.17. The Final Programs
Learning Perl, 17.2. Opening and Closing DBM Hashes
Perl in a Nutshell, Chapter 5, Reference: dbmclose
example of : Learning Perl on Win32 Systems, 1.6.17. The Final Programs

dbmopen()

Perl Cookbook, 14.0. Introduction

Perl Cookbook, 14.1. Making and Using a DBM File

Learning Perl, 17.2. Opening and Closing DBM Hashes

Perl in a Nutshell, Chapter 5, Reference: dbmopen

Perl in a Nutshell, 12.1. DBM Databases and DBM Hashes

Programming Perl, 3.2.24. dbmopen

Programming Perl, 7.2.1. AnyDBM_File - Provide Framework for Multiple DBMs

examples of

Learning Perl, A.16. Chapter 17, User Database Manipulation
Learning Perl, 1.5.16. Maintaining a Last-Good-Guess Database
Learning Perl, 1.5.17. The Final Programs
Learning Perl on Win32 Systems, 1.6.17. The Final Programs
Learning Perl on Win32 Systems, 1.6.16. Maintaining a Last-Good-Guess Database

dbusers program (example) : Perl Cookbook, 14.10. Executing an SQL Command Using DBI and DBD

dclone() : Perl Cookbook, 11.12. Copying Data Structures

deadlocks

Advanced Perl Programming, 12.2.3. Bidirectional Communications
Advanced Perl Programming, 13.2. Remote Procedure Calls (RPC)

deallocating memory

Advanced Perl Programming, 20.5.6.1. Recommended memory allocation and deallocation routines
Programming Perl, 5.3.9. A Note on Garbage Collection

debug()

Mail::Folder module : Perl in a Nutshell, Chapter 14, Reference: debug
Text widget : Perl in a Nutshell, 18.11.2. Text Methods

debug_print() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: debug_print

debugger

Advanced Perl Programming, 20.1. Reading the Source
Learning Perl, D.2. The Debugger
Perl in a Nutshell, 6.1. The Perl Debugger
commands for : Perl in a Nutshell, 6.2. Debugger Commands
customizing : Perl in a Nutshell, 6.4. Customizing the Debugger

debugging

(see also taint checking)

Perl in a Nutshell, 6. Debugging

Programming Perl, 6.1.2. Switches

Programming Perl, 6.3.1. Handling Insecure Data

Programming Perl, 8.1. The Perl Debugger

bug reports : Programming Perl, Bug Reports

CGI scripts

Perl Cookbook, 19.0. Introduction
Perl Cookbook, 19.3. Fixing a 500 Server Error
Perl in a Nutshell, 10.6. Debugging

checking syntax without running : Perl in a Nutshell, 3.2. Command-Line Options

controlling from scripts : Programming Perl, 8.1.2. Using the Debugger

core dumps

Perl in a Nutshell, 3.2. Command-Line Options
Programming Perl, 3.2.29. dump
Programming Perl, 6.1.2. Switches

customizing : Programming Perl, 8.1.3. Debugger Customization

-d, -D options (perl)

Advanced Perl Programming, 20.1. Reading the Source
Perl in a Nutshell, 3.2. Command-Line Options
Perl in a Nutshell, 6.1. The Perl Debugger
Perl in a Nutshell, 6.5. The Perl Profiler
Programming Perl, 6.1.2. Switches
Programming Perl, 8.1.8. Alternative Debuggers: The Perl Profiler

HTTP exchanges : Perl Cookbook, 19.9. Debugging the Raw HTTP Exchange

Perl profiler (DProf) : Perl in a Nutshell, 6.5. The Perl Profiler

perlbug program : Perl in a Nutshell, 6.6. The perlbug Program

UNIX security bugs : Programming Perl, 6.3.1.3. Security bugs

$DEBUGGING ($^D) variable

Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 6.1.2. Switches
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables

decimal numbers, converting

Perl Cookbook, 2.4. Converting Between Binary and Decimal
Perl Cookbook, 2.16. Converting Between Octal and Hexadecimal

decimal points

Learning Perl, 2.2.2. Float Literals
Programming Perl, 2.8. Formats

declarations

Perl in a Nutshell, 4.1. Program Structure

Programming Perl, 2.6. Statements and Declarations

formats : Programming Perl, 2.8. Formats

global

Programming Perl, 2.6.7. Global Declarations
Programming Perl, 7.2.76. vars - Predeclare Global Variable Names

packages

Perl in a Nutshell, 7.1. Namespaces and Packages
Programming Perl, 2.6.8. Scoped Declarations
Programming Perl, 3.2.106. package

private vs. local : Perl in a Nutshell, 4.7.4. Private and Local Variables

subroutines

Perl in a Nutshell, 4.7. Subroutines
Programming Perl, 2.6.7. Global Declarations
Programming Perl, 2.7. Subroutines
Programming Perl, 3.2.161. sub
Programming Perl, 7.2.60. subs - Predeclare Subroutine Names

variables

Perl in a Nutshell, 4.2.6. Declarations and Scope
Programming Perl, 2.6. Statements and Declarations
Programming Perl, 2.6.8. Scoped Declarations
Programming Perl, 7.2.76. vars - Predeclare Global Variable Names

decryption : (see encryption)

deep binding : Advanced Perl Programming, 4.5.2. Python

deep copies : Perl Cookbook, 11.12. Copying Data Structures

default filehandle

Learning Perl, 10.4. Using Filehandles
Learning Perl on Win32 Systems, 10.5. Using Filehandles

default package : Programming Perl, 2.6.8. Scoped Declarations

'DEFAULT' string : Programming Perl, 6.2.1. Signals

default string values : Perl Cookbook, 1.2. Establishing a Default Value

default values, implemented with || operator

Learning Perl, 1.5.9. Making It a Bit More Modular
Learning Perl on Win32 Systems, 1.6.9. Making It a Bit More Modular

DEFAULT, as special value for %SIG : Learning Perl, 14.6. Sending and Receiving Signals

default_port() (URI::URL) : Perl in a Nutshell, Chapter 17, Reference: default_port

defaults() (CGI.pm) : Perl in a Nutshell, Chapter 10, Reference: defaults

defensive programming : Learning Perl, 15.4. Advanced Sorting

defined operator

Perl Cookbook, 1.2. Establishing a Default Value
Perl in a Nutshell, Chapter 5, Reference: defined
Programming Perl, 3.2.25. defined
Programming Perl, 5.4.3. Tying Hashes

definedness

Perl Cookbook, 1.0. Introduction
Perl Cookbook, 1.2. Establishing a Default Value

defining formats : Learning Perl, 11.2. Defining a Format

deg2rad() (example) : Perl Cookbook, 2.11. Doing Trigonometry in Degrees, not Radians

degrees vs. radians : Perl Cookbook, 2.11. Doing Trigonometry in Degrees, not Radians

deiconify() (Frame widget) : Perl in a Nutshell, 18.18.1. Toplevel Methods

DEL character, completion and : Programming Perl, 7.2.65. Term::Complete - Word Completion Module

del_group() (News::Newsrc) : Perl in a Nutshell, Chapter 15, Reference: del_group

delay() (LWP::RobotUA) : Perl in a Nutshell, Chapter 17, Reference: delay

delaying module loading : Perl Cookbook, 12.3. Delaying use Until Run Time

delegation

Advanced Perl Programming, 8.2. Delegation
Programming Perl, 5.5.11. Delegation (the "Passes-the-Buck-to" Relationship)

delete()

Perl Cookbook, 5.3. Deleting from a Hash
Learning Perl, 5.4.4. The delete Function
Learning Perl, 17.3. Using a DBM Hash
Learning Perl on Win32 Systems, 5.4.4. The delete Function
Learning Perl on Win32 Systems, 17.3. Using a DBM Hash
Perl in a Nutshell, Chapter 5, Reference: delete
Programming Perl, 3.2.26. delete
Canvas widget : Perl in a Nutshell, 18.12.3. Canvas Methods
CGI.pm module : Perl in a Nutshell, Chapter 10, Reference: delete
Entry widget : Perl in a Nutshell, 18.8.2. Entry Methods
HTML::Parser module : Perl in a Nutshell, Chapter 17, Reference: delete
Listbox widget : Perl in a Nutshell, 18.10.2. Listbox Methods
Mail::Send module : Perl in a Nutshell, Chapter 14, Reference: delete
Menu widget : Perl in a Nutshell, 18.15.2. Menu Methods
multiple hash key values : Perl Cookbook, 5.7. Hashes with Multiple Values Per Key
Net::FTP module : Perl in a Nutshell, Chapter 16, Reference: delete
Net::POP3 module : Perl in a Nutshell, Chapter 14, Reference: delete
Text widget : Perl in a Nutshell, 18.11.2. Text Methods
Tie::IxHash module and : Perl Cookbook, 5.6. Retrieving from a Hash in Insertion Order

Delete()

Mail::POP3Client module

Perl in a Nutshell, Chapter 14, Reference: Delete
Perl in a Nutshell, 14.2.8.4. Deleting and undeleting messages

Win32::Internet module : Perl in a Nutshell, Chapter 19, Reference: Delete

delete_all() (CGI.pm) : Perl in a Nutshell, Chapter 10, Reference: delete_all

Delete as interrupt signal : Learning Perl, 14.6. Sending and Receiving Signals

delete_content() (HTML::Parser) : Perl in a Nutshell, Chapter 17, Reference: delete_content

delete_label() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: delete_label

delete_message() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: delete_message

DELETE method : Programming Perl, 5.4.3. Tying Hashes

delete()

DeleteKey() (Win32::Registry)

Learning Perl on Win32 Systems, 16.6.1. More Registry Operations
Perl in a Nutshell, Chapter 19, Reference: DeleteKey

DeleteValue() (Win32::Registry) : Perl in a Nutshell, Chapter 19, Reference: DeleteValue

deleting

array elements

Programming Perl, 3.2.143. shift
Programming Perl, 3.2.154. splice

breakpoints : Programming Perl, 8.1.1. Debugger Commands

characters

Learning Perl, 15.5. Transliteration
Programming Perl, 3.2.13. chomp

clearing the screen : Perl Cookbook, 15.3. Clearing the Screen

directories

Programming Perl, 3.2.129. rmdir
Programming Perl, 3.2.181. unlink
Programming Perl, 7.2.31. File::Path - Create or Remove a Series of Directories

directories and their contents : Perl Cookbook, 9.8. Removing a Directory and Its Contents

DOS shell window : Perl Cookbook, 15.17. Removing the DOS Shell Window with Windows Perl/Tk

emptying DBM files : Perl Cookbook, 14.2. Emptying a DBM File

files

Perl Cookbook, 9.2. Deleting a File
Programming Perl, 3.2.181. unlink

hash elements

Perl Cookbook, 5.3. Deleting from a Hash
Programming Perl, 3.2.26. delete

HTML tags from strings : Perl Cookbook, 20.6. Extracting or Removing HTML Tags

last line of files : Perl Cookbook, 8.10. Removing the Last Line of a File

Registry keys : Learning Perl on Win32 Systems, 16.6.1. More Registry Operations

selected subroutine return values : Perl Cookbook, 10.8. Skipping Selected Return Values

whitespace at string ends : Perl Cookbook, 1.14. Trimming Blanks from the Ends of a String

delimiters, for tr : Learning Perl, 15.5. Transliteration

delta() (Scrollbar) : Perl in a Nutshell, 18.9.1. Scrollbar Methods

denial of resource attacks : Advanced Perl Programming, 20.2.2.3. Security features

Deparse backend (Perl compiler) : Perl in a Nutshell, 3.4. The Perl Compiler

dequote() : Perl Cookbook, 1.11. Indenting Here Documents

dereferencing

(see
(see also references)
Advanced Perl Programming, 1.1.2. Dereferencing
Perl in a Nutshell, 4.8.2. Dereferencing
Perl in a Nutshell, 7.4. Object Syntax
Programming Perl, 4.1. What Is a Reference?
Programming Perl, 4.3.1. Using a Variable as a Variable Name
Programming Perl, 4.3.3. Using the Arrow Operator
Programming Perl, 4.6.5. Common Mistakes
automatic : Advanced Perl Programming, 1.1.8. No Automatic Dereferencing
multiple levels of indirection : Advanced Perl Programming, 1.2.4. Dereferencing Multiple Levels of Indirection
operator for : (see - (hyphen), -> (arrow) operator)
subroutine references : Advanced Perl Programming, 4.1.3. Dereferencing Subroutine References

derived classes

Perl Cookbook, 13.0. Introduction
Programming Perl, 5.3.4. A Class Is Simply a Package
Programming Perl, 5.5.1. Object-Oriented Scaling Tips

deselect()

Checkbutton widget : Perl in a Nutshell, 18.5.1. Checkbutton Methods
Radiobutton widget : Perl in a Nutshell, 18.6.1. Radiobutton Methods

DESTROY function

Advanced Perl Programming, 7.2.7. Object Destruction
Advanced Perl Programming, 9.1. Tying Scalars
Perl in a Nutshell, 7.3. Object-Oriented Perl
Programming Perl, 5.4.1. Tying Scalars
Programming Perl, 5.4.2. Tying Arrays
Programming Perl, 5.4.3. Tying Hashes

destroying

modules/packages : Advanced Perl Programming, 6.3. Package Initialization and Destruction
objects : Advanced Perl Programming, 7.2.7. Object Destruction

destructors

Perl Cookbook, 13.0. Introduction
Perl Cookbook, 13.2. Destroying an Object
Programming Perl, 5.3.7. Destructors

detecting tainted data : Programming Perl, 6.3.1.1. Detecting and laundering tainted data

deterministic finite automata : Perl Cookbook, 6.0. Introduction

$dev file statistic : Programming Perl, 3.2.159. stat

Devel modules

Devel::Dump module : Advanced Perl Programming, 20.3.2.1. Inside AVs

Devel::Peek module

Advanced Perl Programming, 20.1. Reading the Source
Advanced Perl Programming, 20.3.1.2. Inside SVs

Devel::RegExp module : Advanced Perl Programming, 20.1. Reading the Source

Devel::SelfStubber module

Perl in a Nutshell, 8.41. Devel::SelfStubber
Programming Perl, 7.2.9. Devel::SelfStubber - Generate Stubs for a SelfLoading Module

Devel::Symdump module : Advanced Perl Programming, 20.1. Reading the Source

DFA (deterministic finite automata) : Perl Cookbook, 6.0. Introduction

diagnostic messages

(see error messages)
(see warning messages)

diagnostics module

Perl in a Nutshell, 8.42. diagnostics
Programming Perl, 7.2.10. diagnostics - Force Verbose Warning Diagnostics

dialog boxes with Tk toolkit : Perl Cookbook, 15.15. Creating Dialog Boxes with Tk

DialogBox widget (Tk) : Perl Cookbook, 15.15. Creating Dialog Boxes with Tk

diamond operator (<>) : (see < > (angle brackets), <...> (angle, diamond, line-input) operator)

Dict module : Programming Perl, 7.2.53. Search::Dict - Search for Key in Dictionary File

dictionary file : Programming Perl, 7.2.53. Search::Dict - Search for Key in Dictionary File

die()

Advanced Perl Programming, B.7. Exception Handling

Advanced Perl Programming, 5.2. The Block Form: Exception Handling

Perl Cookbook, 10.12. Handling Exceptions

Learning Perl, 1.5.13. Many Secret Word Files in the Current Directory

Learning Perl, 10.3. A Slight Diversion: die

Learning Perl on Win32 Systems, 1.6.13. Many Secret Word Files in the Current Directory

Learning Perl on Win32 Systems, 10.4. A Slight Diversion: die

Perl in a Nutshell, Chapter 5, Reference: die

Perl in a Nutshell, 4.9. Filehandles

Programming Perl, 3.2.27. die

examples of

Learning Perl, A.11. Chapter 12, Directory Access
Learning Perl, 13.3.2. Creating Hard and Soft Links with Perl

exit function versus : Programming Perl, 3.2.35. exit

time-outs and : Advanced Perl Programming, 5.6. Using Eval for Time-Outs

__DIE__ token

Perl Cookbook, 16.15. Installing a Signal Handler
Programming Perl, 2.9.4. Global Special Arrays

differences of lists : Perl Cookbook, 4.7. Finding Elements in One Array but Not Another

digits : Programming Perl, 1.7. Regular Expressions

backslashed : Programming Perl, 2.4.1.2. The rules of regular expression matching
in names : Programming Perl, 2.3.1. Variables

-digits option (Scale) : Perl in a Nutshell, 18.13. The Scale Widget

dir() (Net::FTP) : Perl in a Nutshell, Chapter 16, Reference: dir

directories : Perl Cookbook, 9.0. Introduction

changing working : Programming Perl, 3.2.11. chdir

closing : Programming Perl, 3.2.19. closedir

copying or moving files : Perl Cookbook, 9.3. Copying or Moving a File

creating

Programming Perl, 3.2.92. mkdir
Programming Perl, 7.2.31. File::Path - Create or Remove a Series of Directories

deleting

Perl Cookbook, 9.8. Removing a Directory and Its Contents
Programming Perl, 3.2.129. rmdir
Programming Perl, 3.2.181. unlink
Programming Perl, 7.2.31. File::Path - Create or Remove a Series of Directories

deleting files in : Perl Cookbook, 9.2. Deleting a File

for email messages : Perl in a Nutshell, 14.2.3. Handle Folders with Mail::Folder

file-related functions : Perl in a Nutshell, 5.1. Perl Functions by Category

functions for : Perl in a Nutshell, 5.1. Perl Functions by Category

getting pathname of : Programming Perl, 7.2.7. Cwd - Get Pathname of Current Working Directory

of modules : Perl Cookbook, 12.7. Keeping Your Own Module Directory

multiple names for same file : Perl Cookbook, 9.4. Recognizing Two Names for the Same File

opendir function : Programming Perl, 3.2.103. opendir

parsing filenames : Perl Cookbook, 9.10. Splitting a Filename into Its Component Parts

prepending to @INC : Programming Perl, 6.1.2. Switches

processing all files in

Perl Cookbook, 9.5. Processing All Files in a Directory
Perl Cookbook, 9.7. Processing All Files in a Directory Recursively

reading entries from : Programming Perl, 3.2.117. readdir

recursively duplicating : Perl Cookbook, 9.11. Program: symirror

renaming files

Perl Cookbook, 9.9. Renaming Files
Learning Perl, 13.2. Renaming a File

rewinddir function : Programming Perl, 3.2.127. rewinddir

root, redefining : Programming Perl, 3.2.17. chroot

seekdir function

Learning Perl on Win32 Systems, 13.2. Renaming a File
Programming Perl, 3.2.133. seekdir

sorting contents of

Perl Cookbook, 9.0. Introduction
Perl Cookbook, 9.12. Program: lst

timestamps : Perl Cookbook, 9.1. Getting and Setting Timestamps

directory handles

(see also filehandles)
Advanced Perl Programming, 3.4. Filehandles, Directory Handles, and Formats
Perl Cookbook, 9.5. Processing All Files in a Directory
Learning Perl, 12.3. Directory Handles
creating : Learning Perl on Win32 Systems, 12.4. Opening and Closing a Directory Handle
modules/packages and : Advanced Perl Programming, 6.1. Basic Package

DirHandle module

Advanced Perl Programming, 3.4. Filehandles, Directory Handles, and Formats
Perl in a Nutshell, 8.43. DirHandle
Programming Perl, 7.2.11. DirHandle - Supply Object Methods for Directory Handles

dirname()

Perl Cookbook, 9.10. Splitting a Filename into Its Component Parts
Programming Perl, 7.2.27. File::Basename - Parse File Specifications

disablecache() routine : Programming Perl, 7.2.4. Benchmark - Check and Compare Running Times of Code

-disabledforeground option (widgets) : Perl in a Nutshell, 18.3. Common Widget Configuration Options

disconnect() (DBI) : Perl in a Nutshell, Chapter 12, Reference: disconnect

disk usage, library : Perl Cookbook, 14.0. Introduction

dispatch tables : Advanced Perl Programming, 4.2.1. Dispatch Table

Display() (Win32::Console) : Perl in a Nutshell, Chapter 19, Reference: Display

distribution, Perl

Programming Perl, 8.5. Distribution and Installation
Programming Perl, The Perl Distribution

distributions() (Net::NNTP) : Perl in a Nutshell, Chapter 15, Reference: distributions

divide-by-zero error, trapping : Advanced Perl Programming, 5.2. The Block Form: Exception Handling

division operators

(see also multiplication operators)
Learning Perl, 2.4.1. Operators for Numbers
Perl in a Nutshell, 4.5.3. Arithmetic Operators

@dl_ and dl_ variables : Programming Perl, 7.2.12.1. Internal interface summary

dlineinfo() (Text widget) : Perl in a Nutshell, 18.11.2. Text Methods

DMYHMS values : (see date and time)

DNS lookups : Perl Cookbook, 18.1. Simple DNS Lookups

do()

Perl Cookbook, 8.16. Reading Configuration Files
Perl in a Nutshell, Chapter 5, Reference: do
DBI module : Perl in a Nutshell, Chapter 12, Reference: do

do loops

Perl in a Nutshell, 4.3.1.4. Modifiers
Programming Perl, 2.6.1. Simple Statements
Programming Perl, 3.2.28. do
Programming Perl, 8.2.1. Universal Blunders

document object (PerlScript) : Perl in a Nutshell, 20.1. Client-Side PerlScript

DOCUMENT_ROOT variable : Perl in a Nutshell, 9.4. CGI Environment Variables

documentation

Learning Perl on Win32 Systems, 1.5.1. Documentation

Perl in a Nutshell, 2.5. Documentation

books on Perl : Programming Perl, Other Books

bug reports : Programming Perl, Bug Reports

C library functions : Programming Perl, 3. Functions

conventions : Perl Cookbook, Conventions Used in This Book

FAQ on Perl : Programming Perl, Frequently Asked Questions List

Javadoc format : Advanced Perl Programming, 17.1. On Code Generation

Perl manpages : Programming Perl, Perl Manpages

POD format

Advanced Perl Programming, 17.1. On Code Generation
Perl in a Nutshell, 4.11. Pod
Perl in a Nutshell, 4.11.3. Pod Utilities

dollar sign : (see $ (dollar sign))

domain() (Net::SMTP) : Perl in a Nutshell, Chapter 14, Reference: domain

Domain property (response cookies) : Perl in a Nutshell, 20.2.2.1. Setting cookies

DomainName module : Learning Perl on Win32 Systems, B.4. Win32 Extensions

domains

getting information on : Perl Cookbook, 18.8. Using Whois to Retrieve Information from the InterNIC
for sockets : Perl Cookbook, 17.0. Introduction

Dominus, Mark-Jason : Perl Cookbook, 4.19. Program: permute

DOS shell window, removing : Perl Cookbook, 15.17. Removing the DOS Shell Window with Windows Perl/Tk

dot : (see . (dot))

Douady, Adrien : Advanced Perl Programming, 18.6. A Detour into Fractals

double indexing scheme (example) : Advanced Perl Programming, 2.4.1. Data Representation

double quotes

Perl Cookbook, 1.0. Introduction

Learning Perl, 2.3.2. Double-Quoted Strings

Perl in a Nutshell, 4.2.2. String Interpolation

associative array elements and : Learning Perl, 5.4.1. The keys Function

backslash escape and : Learning Perl, 2.3.2. Double-Quoted Strings

examples of

Learning Perl, 1.5.2. Asking Questions and Remembering the Result
Learning Perl on Win32 Systems, 1.6.2. Asking Questions and Remembering the Result

hash elements : Learning Perl on Win32 Systems, 5.4.1. The keys Function

qq() : Perl Cookbook, 4.1. Specifying a List In Your Program

variable interpolation

(see also variable interpolation)
Learning Perl, 2.6.4. Interpolation of Scalars into Strings
Programming Perl, 2.3.3.4. Interpolative context

doubles (NVs) : Advanced Perl Programming, 20.3.1. Scalar Values

Dowd, Sean : Perl in a Nutshell, 14. Email Connectivity

downloading source code

Perl in a Nutshell, 2. Installing Perl
Perl in a Nutshell, 2.2. How Is CPAN Organized?
Perl in a Nutshell, 2.4. Getting and Installing Modules

DProf debugger : Programming Perl, 8.1.8. Alternative Debuggers: The Perl Profiler

dprofpp utility : Perl in a Nutshell, 6.5. The Perl Profiler

drawers : (see directories)

drivelock program (example) : Perl Cookbook, 7.21. Program: netlock

du command, sorting output of : Perl Cookbook, 5.16. Program: dutree

dummyhttpd program (example) : Perl Cookbook, 19.9. Debugging the Raw HTTP Exchange

dump()

Perl in a Nutshell, Chapter 5, Reference: dump
Programming Perl, 3.2.29. dump
CGI.pm module : Perl in a Nutshell, Chapter 10, Reference: dump
HTML::Parser module : Perl in a Nutshell, Chapter 17, Reference: dump

Dump module : Advanced Perl Programming, 20.3.2.1. Inside AVs

dump_results() (DBI) : Perl in a Nutshell, Chapter 12, Reference: dump_results

Dumper module : Advanced Perl Programming, 10.2.2. Data::Dumper

dumpValue function : Advanced Perl Programming, 2.5. Pretty-Printing

dup() (Mail::Folder) : Perl in a Nutshell, Chapter 14, Reference: dup

duplicate

list elements, extracting : Perl Cookbook, 4.6. Extracting Unique Elements from a List
words, finding : Perl Cookbook, 6.16. Detecting Duplicate Words

dutree program (example) : Perl Cookbook, 5.16. Program: dutree

dutree_orig program (example) : Perl Cookbook, 5.16. Program: dutree

DynaLoader module

Perl in a Nutshell, 8.44. DynaLoader
Programming Perl, 7.2.12. DynaLoader - Automatic Dynamic Loading of Perl Modules
Programming Perl, 7.2.21. ExtUtils::Mkbootstrap - Make a Bootstrap File for Use by DynaLoader

dynamic allocation

Advanced Perl Programming, 1. Data References and Anonymous Storage
Advanced Perl Programming, 1.2.3. References to Anonymous Storage
Advanced Perl Programming, 1.7.1. Tcl

dynamic behavior : (see run-time evaluation)

dynamic binding : Advanced Perl Programming, 9. Tie

arrays : Advanced Perl Programming, 9.2. Tying Arrays
filehandles : Advanced Perl Programming, 9.4. Tying Filehandles
hashes : Advanced Perl Programming, 9.3. Tying Hashes
monitoring variables (example) : Advanced Perl Programming, 9.5. Example: Monitoring Variables
other languages and : Advanced Perl Programming, 9.6. Comparisons with Other Languages
scalars : Advanced Perl Programming, 9.1. Tying Scalars

dynamic linking : Programming Perl, 7.2.12. DynaLoader - Automatic Dynamic Loading of Perl Modules

dynamic scoping

Advanced Perl Programming, 3.1.2. Lexical Versus Dynamic Scoping
Perl Cookbook, 10.13. Saving Global Values
Perl in a Nutshell, 4.2.6. Declarations and Scope
Perl in a Nutshell, 4.7.4. Private and Local Variables
Programming Perl, 2.6.8. Scoped Declarations

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