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Index: D

\D (nondigit) character class: 4.6.4. Character Classes (Perl in a Nutshell)

\d (digit) character class

4.6.4. Character Classes (Perl in a Nutshell)

/d modifier: (Programming Perl) 5.2.4. The tr/// Operator (Transliteration)

/d pattern modifier: (Programming Perl) 5.2.4. The tr/// Operator (Transliteration)

-d file test operator

4.5.8. File Test Operators (Perl in a Nutshell)

-d switch, perl: 3.2. Command-Line Options (Perl in a Nutshell)

20.6. The Perl Profiler (Programming Perl)

^D (Control-D) as eof: 24.5.2. Generating Perl in Other Languages (Programming Perl)

Control-D as eof: 24.5.2. Generating Perl in Other Languages (Programming Perl)

d for digit=\d (for digit): 1.7. Regular Expressions (Programming Perl)

d command (CPAN.pm): Chapter 2, Reference: d (Perl in a Nutshell)

d command (debugger): Chapter 6, Reference: d (Perl in a Nutshell)

daemon() (HTTP::Daemon::ClientConn): Chapter 17, Reference: daemon (Perl in a Nutshell)

daemon servers: 16.22. Program: sigrand (Perl Cookbook)

17.15. Making a Daemon Server (Perl Cookbook)

daemons

Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
taint mode, importance of enabling for: 23.1. Handling Insecure Data (Programming Perl)

data

byte-oriented vs. character-oriented: 15. Unicode (Programming Perl)

fixed-length, functions for: 29.1. Perl Functions by Category (Programming Perl)

insecure, handling: 23.1. Handling Insecure Data (Programming Perl)

code masquerading as data: 23.3.2. Code Masquerading as Data (Programming Perl)
command and file access under reduced privileges: 23.1.3. Accessing Commands and Files Under Reduced Privileges (Programming Perl)
detecting and laundering tainted data: 23.1.1. Detecting and Laundering Tainted Data (Programming Perl)
environment, cleaning up: 23.1.2. Cleaning Up Your Environment (Programming Perl)

screen dump, providing: 32.1.13. Perl Language Extensions and Internals (Programming Perl)

data access

threads: 17.2.2. Data Access (Programming Perl)

condition variables: 17.2.2.6. Condition variables (Programming Perl)
deadlock: 17.2.2.2. Deadlock (Programming Perl)
locking methods: 17.2.2.5. Locking methods (Programming Perl)
locking subroutines: 17.2.2.3. Locking subroutines (Programming Perl)
synchronizing with lock: 17.2.2.1. Synchronizing access with lock (Programming Perl)
unlocking: 17.2.2.1. Synchronizing access with lock (Programming Perl)

DATA command (SMTP): 14.1.2. The SMTP Protocol and the SMTP Session (Perl in a Nutshell)

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

data organization in Perl: 9.1.5. Common Mistakes (Programming Perl)

unlocking: 9.1.5. Common Mistakes (Programming Perl)

data relationships: 5.15. Representing Relationships Between Data (Perl Cookbook)

Data Source Name (DSN): 7.3. Using the ODBC Framework (Perl for System Administration)

data structures: 9. Data Structures (Programming Perl)

22.1. The CPAN modules Directory (Programming Perl)

1.2.1.3. Complexities (Programming Perl)

unlocking: 9. Data Structures (Programming Perl)

22.1. The CPAN modules Directory (Programming Perl)

arrays of hashes: 9.3. Arrays of Hashes (Programming Perl)

complex, representing as scalars: 1.2.1.3. Complexities (Programming Perl)

data structures, printed: 20.2.4. Display (Programming Perl)

destruction: 12.6. Instance Destructors (Programming Perl)

flat, linear in Perl: 8. References (Programming Perl)

hashes of arrays: 9.2. Hashes of Arrays (Programming Perl)

hashes of functions: 9.5. Hashes of Functions (Programming Perl)

lists: 9.1. Arrays of Arrays (Programming Perl)

multidimensional hashes: 9.4. Hashes of Hashes (Programming Perl)

objects (see objects)

persistent, providing via tie: 14.6. Tie Modules on CPAN (Programming Perl)

records of elaborate: 9.6. More Elaborate Records (Programming Perl)

references to: 8.1. What Is a Reference? (Programming Perl)

saving: 9.7. Saving Data Structures (Programming Perl)

self-referential, container classes holding pointers to: 12.6.1. Garbage Collection with DESTROY Methods (Programming Perl)

stringifying: 9.7. Saving Data Structures (Programming Perl)

data structures, transforming: 3.3.1.4. Writing XML using XML::Simple (Perl for System Administration)

__DATA__ token: 7.6. Storing Files Inside Your Program Text (Perl Cookbook)

2.6.8. Other Literal Tokens (Programming Perl)
28.2. Special Variables in Alphabetical Order (Programming Perl)

data types: 4.2. Data Types and Variables (Perl in a Nutshell)

1.2.1. Variable Syntax (Programming Perl)
built-in: 2.3. Built-in Data Types (Programming Perl)
circular data structures: 13.13. Coping with Circular Data Structures (Perl Cookbook)
classes as structs: 13.5. Using Classes as Structs (Perl Cookbook)
complex data structures: 4.8. References and Complex Data Structures (Perl in a Nutshell)
converting between C and Perl: 21.4.5. Fiddling with the Perl Stack from C (Programming Perl)
internal, Perl and C: 21.2. Internal Data Types (Programming Perl)
modules for: 32.1.1. Data Types (Programming Perl)
scalars (see scalars)
translation: 18.1. Writing an Extension: Overview (Advanced Perl Programming)
TYPE declarations in Perl: 29.2.99. my (Programming Perl)
typeglobs: 2.10. Typeglobs and Filehandles (Programming Perl)

database handle, DBI: 7.3. Using the ODBC Framework (Perl for System Administration)

Database Interface (see DBI)

analyzing log files with: 9.5.4. Using Databases (Perl for System Administration)

generating DNS configuration files from: 5.3.1. Generating DNS Configuration Files (Perl for System Administration)

generating host files from

error checking while: 5.1.2. Error Checking the Host File Generation Process (Perl for System Administration)
improving output while: 5.1.3. Improving the Host File Output (Perl for System Administration)

MySQL: D. The Fifteen-Minute SQL Tutorial (Perl for System Administration)

relational: D.5. Relating Tables to Each Other (Perl for System Administration)

SAM: 3.2.1. NT/2000 User Identity Storage and Access (Perl for System Administration)

creating/deleting: D.1. Creating /Deleting Databases and Tables (Perl for System Administration)
documenting from Perl: 7.4. Server Documentation (Perl for System Administration)
interacting with from Perl: 7.1. Interacting with an SQL Server from Perl (Perl for System Administration)
managing logins from Perl: 7.5. Database Logins (Perl for System Administration)
manipulating data in: D.3.3. Simple Manipulation of Data Returned by Queries (Perl for System Administration)
monitoring from Perl: 7.6. Monitoring Server Health (Perl for System Administration)
Perl-cliented: 9.5.4.2. Using Perl-cliented SQL databases (Perl for System Administration)
querying information: D.3. Querying Information (Perl for System Administration)
stored procedures: D.6.3. Stored Procedures (Perl for System Administration)
using DBI: 7.2. Using the DBI Framework (Perl for System Administration)
using ODBC: 7.3. Using the ODBC Framework (Perl for System Administration)

tracking network host data with: 5.1.1. Generating Host Files (Perl for System Administration)

use in account systems: 3.3.1. The Backend Database (Perl for System Administration)

database queries: 19.7. Formatting Lists and Tables with HTML Shortcuts (Perl Cookbook)

databases

12. Databases and Perl (Perl in a Nutshell)

access: 14.0. Introduction (Perl Cookbook)

converting between DBM files: 14.3. Converting Between DBM Files (Perl Cookbook)

emptying DBM files: 14.2. Emptying a DBM File (Perl Cookbook)

ggh program: 14.11. Program: ggh - Grep Netscape Global History (Perl Cookbook)

locking DBM files: 14.5. Locking DBM Files (Perl Cookbook)

making DBM files: 14.1. Making and Using a DBM File (Perl Cookbook)

merging DBM files: 14.4. Merging DBM Files (Perl Cookbook)

persistent data: 14.9. Persistent Data (Perl Cookbook)

sorting large DBM files: 14.6. Sorting Large DBM Files (Perl Cookbook)

SQL queries: 14.10. Executing an SQL Command Using DBI and DBD (Perl Cookbook)

19.7. Formatting Lists and Tables with HTML Shortcuts (Perl Cookbook)

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

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

Data Base Management (see DBM files)

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

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

DBI module: 12.2. Design of DBI (Perl in a Nutshell)

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

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

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

Perl connections to: 5. Pattern Matching (Programming Perl)

Perl modules for operating: 22.1. The CPAN modules Directory (Programming Perl)

see also DBI: 22.1. The CPAN modules Directory (Programming Perl)

tying hash variables to: 14. Tied Variables (Programming Perl)

Data::Dumper module: 2.5. Pretty-Printing (Advanced Perl Programming)

10.2.2. Data::Dumper (Advanced Perl Programming)
11.11. Printing Data Structures (Perl Cookbook)
8.39. Data::Dumper (Perl in a Nutshell)
9.7. Saving Data Structures (Programming Perl)
32.1.13. Perl Language Extensions and Internals (Programming Perl)

DATA filehandle: 4.4.3. Global Special Filehandles (Perl in a Nutshell)

28.2. Special Variables in Alphabetical Order (Programming Perl)

unlocking: 28.2. Special Variables in Alphabetical Order (Programming Perl)

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

datagram sockets: 17.0. Introduction (Perl Cookbook)

17.4. Setting Up a UDP Client (Perl Cookbook)

datagrams: 16.5. Sockets (Programming Perl)

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

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

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

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

date function (see localtime function)

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

examples of

date and time: 3.0. Introduction (Perl Cookbook)

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

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

Date::DateCalc module: 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 (Perl Cookbook)

Date::Manip module: 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 (Perl Cookbook)

dates,

Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)
portability of: 25.8. Dates and Times (Programming Perl)

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

file access/modification: 9.1. Getting and Setting Timestamps (Perl Cookbook)

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

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

hopdelta program: 3.11. Program: hopdelta (Perl Cookbook)

HTTP::Date module: 17.3.5. HTTP::Date (Perl in a Nutshell)

manipulation of

modifying timestamps

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

printing: 3.8. Printing a Date (Perl Cookbook)

sleeps: 3.10. Short Sleeps (Perl Cookbook)

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

Time modules

Time::gmtime module: 3.0. Introduction (Perl Cookbook)

3.3. Converting Epoch Seconds to DMYHMS (Perl Cookbook)
8.159. Time::gmtime (Perl in a Nutshell)

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

Time::Local module: 3.0. Introduction (Perl Cookbook)

3.2. Converting DMYHMS to Epoch Seconds (Perl Cookbook)
8.160. Time::Local (Perl in a Nutshell)

Time::localtime module: 3.0. Introduction (Perl Cookbook)

8.161. Time::localtime (Perl in a Nutshell)

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

Time::tm module: 3.0. Introduction (Perl Cookbook)

8.162. Time::tm (Perl in a Nutshell)

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

today's: 3.1. Finding Today's Date (Perl Cookbook)

UNIX internal format

years: 3.0. Introduction (Perl Cookbook)

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

dates_difference(): 3.5. Difference of Two Dates (Perl Cookbook)

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

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

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

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

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

DB module: 32.1.13. Perl Language Extensions and Internals (Programming Perl)

DB package,: 29.2.8. caller (Programming Perl)

DBAs (database administrators): 7. SQL Database Administration (Perl for System Administration)

DBD (Database drivers)

Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)

DBD modules: 7.1. Interacting with an SQL Server from Perl (Perl for System Administration)

DBD\:\:ODBC module: 7.1. Interacting with an SQL Server from Perl (Perl for System Administration)

DBDs (database drivers): 12. Databases and Perl (Perl in a Nutshell)

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

DBD\:\:Sybase module: 7.1. Interacting with an SQL Server from Perl (Perl for System Administration)

DB_File module: 10.3.3. Berkeley DB (Advanced Perl Programming)

11.14. Transparently Persistent Data Structures (Perl Cookbook)

8.40. DB_File (Perl in a Nutshell)

32.1.10. DBM Interfaces (Programming Perl)

9.5.4.1. Using Perl-only databases (Perl for System Administration)

7.4.1. MySQL Server via DBI (Perl for System Administration)

7.4.2. Sybase Server via DBI (Perl for System Administration)

MySQL server: 7.4.1. MySQL Server via DBI (Perl for System Administration)
Sybase server: 7.4.2. Sybase Server via DBI (Perl for System Administration)

architecture of: 7.1. Interacting with an SQL Server from Perl (Perl for System Administration)

database handle: 7.3. Using the ODBC Framework (Perl for System Administration)

Data::Dumper module, using with: 32.10. Data::Dumper (Programming Perl)

placeholders: 7.2. Using the DBI Framework (Perl for System Administration)

sorting large DBM files: 14.6. Sorting Large DBM Files (Perl Cookbook)

statement handle: 7.2. Using the DBI Framework (Perl for System Administration)

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

using from Perl: 7.2. Using the DBI Framework (Perl for System Administration)

DBI (Database Interface), Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)

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

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

DBI module: 11.1. Adaptor: An Introduction (Advanced Perl Programming)

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 Cookbook)
12. Databases and Perl (Perl in a Nutshell)
12.2. Design of DBI (Perl in a Nutshell)
database and statement handles: 12.2.3. Database Handles and Statement Handles (Perl in a Nutshell)
database mapping: 11.2.4. Multivalued Attributes and Database Mapping (Advanced Perl Programming)
environment variables for: 12.4. DBI Environment Variables (Perl in a Nutshell)
implementation of: 11.3.2. Adaptor::DBI (Advanced Perl Programming)
methods of: 12.3. DBI Methods (Perl in a Nutshell)
object uniqueness and: 11.2.8. Uniqueness of Objects in Memory (Advanced Perl Programming)

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

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

DBM files

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

complex data values, storing in: 32.10. Data::Dumper (Programming Perl)

converting between: 14.3. Converting Between DBM Files (Perl Cookbook)

dbmclose and dbmopen functions: 29.2.21. dbmclose (Programming Perl)

deleting from: 29.2.24. delete (Programming Perl)

emptying: 14.2. Emptying a DBM File (Perl Cookbook)

GDBM files: 14.0. Introduction (Perl Cookbook)

14.3. Converting Between DBM Files (Perl Cookbook)

locking: 14.5. Locking DBM Files (Perl Cookbook)

16.2.1. File Locking (Programming Perl)

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

merging: 14.4. Merging DBM Files (Perl Cookbook)

modules for: 32.1.10. DBM Interfaces (Programming Perl)

NDBM files: 14.0. Introduction (Perl Cookbook)

sorting: 14.6. Sorting Large DBM Files (Perl Cookbook)

tie statement with: 9.3. Tying Hashes (Advanced Perl Programming)

DBM libraries: 14.0. Introduction (Perl Cookbook)

DBM modules: 10.3.1. DBM (Advanced Perl Programming)

12.1. DBM Databases and DBM Hashes (Perl in a Nutshell)
portability of: 25.7. Standard Modules (Programming Perl)

dbmclose(): 14.1. Making and Using a DBM File (Perl Cookbook)

14. Tied Variables (Programming Perl)
Chapter 5, Reference: dbmclose (Perl in a Nutshell)

dbmopen(): 14.0. Introduction (Perl Cookbook)

14. Tied Variables (Programming Perl)
14.1. Making and Using a DBM File (Perl Cookbook)
Chapter 5, Reference: dbmopen (Perl in a Nutshell)
12.1. DBM Databases and DBM Hashes (Perl in a Nutshell)
use declarations with: 14. Tied Variables (Programming Perl)

dbprofpp program: 20.6. The Perl Profiler (Programming Perl)

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

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

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

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

deadlock in threads: 17.2.2.2. Deadlock (Programming Perl)

deadlocks: 12.2.3. Bidirectional Communications (Advanced Perl Programming)

13.2. Remote Procedure Calls (RPC) (Advanced Perl Programming)

deallocating memory: 20.5.6.1. Recommended memory allocation and deallocation routines (Advanced Perl Programming)

8.5.2. Garbage Collection, Circular References, and Weak References (Programming Perl)

debug()

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

debugging: 6. Debugging (Perl in a Nutshell)

19.1.3. Switches (Programming Perl)

20. The Perl Debugger (Programming Perl)

23.1. Handling Insecure Data (Programming Perl)

-d, -D options (perl): 20.1. Reading the Source (Advanced Perl Programming)

3.2. Command-Line Options (Perl in a Nutshell)
6.1. The Perl Debugger (Perl in a Nutshell)
6.5. The Perl Profiler (Perl in a Nutshell)

backend modules for: 18.4. Compiler Backends (Programming Perl)

bug reports: 0.6.3. Bug Reports (Programming Perl)

CGI scripts: 19.0. Introduction (Perl Cookbook)

19.3. Fixing a 500 Server Error (Perl Cookbook)
10.6. Debugging (Perl in a Nutshell)

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

controlling from programs: 20.1. Using the Debugger (Programming Perl)

core dumps: 3.2. Command-Line Options (Perl in a Nutshell)

DB module: 32.1.13. Perl Language Extensions and Internals (Programming Perl)

debug level, setting through class or instances: 12.8. Managing Class Data (Programming Perl)

debugger code, command for loading: 19.2. Environment Variables (Programming Perl)

debugger commands, Perl: 20.2. Debugger Commands (Programming Perl)

20.3. Debugger Customization (Programming Perl)
options: 20.3.3. Debugger Options (Programming Perl)

HTTP exchanges: 19.9. Debugging the Raw HTTP Exchange (Perl Cookbook)

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

perlbug program: 6.6. The perlbug Program (Perl in a Nutshell)

debugging flags: 28.2. Special Variables in Alphabetical Order (Programming Perl)

options: 28.2. Special Variables in Alphabetical Order (Programming Perl)

debugger support, Perl: 20.5. Debugger Support (Programming Perl)

debugger, unattended execution: 20.4. Unattended Execution (Programming Perl)

Devel::Peek module for XS programs: 32.1.13. Perl Language Extensions and Internals (Programming Perl)

global destruction of objects other references, controlling: 19.2. Environment Variables (Programming Perl)

overloading: 13.10. Overloading Diagnostics (Programming Perl)

Perl, using C compiler -DDEBUGGING option: 12.5. Class Inheritance (Programming Perl)

turning on in tied filehandle: 14.4.1. Filehandle-Tying Methods (Programming Perl)

Unix security bugs: 23.2.1. Unix Kernel Security Bugs (Programming Perl)

$DEBUGGING ($^D) variable: 4.4.1. Global Special Variables (Perl in a Nutshell)

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

debugger: 20.1. Reading the Source (Advanced Perl Programming)

6.1. The Perl Debugger (Perl in a Nutshell)
commands for: 6.2. Debugger Commands (Perl in a Nutshell)
customizing: 6.4. Customizing the Debugger (Perl in a Nutshell)

decimal numbers, converting: 2.4. Converting Between Binary and Decimal (Perl Cookbook)

2.16. Converting Between Octal and Hexadecimal (Perl Cookbook)

decimal points, lining up: 7. Formats (Programming Perl)

declarations: 4.1. Program Structure (Perl in a Nutshell)

1.1. Getting Started (Programming Perl)

4. Statements and Declarations (Programming Perl)

structs: 12.7.2. Generating Classes with Class::Struct (Programming Perl)

fields with use fields pragma: 12.7.1. Field Declarations with use fields (Programming Perl)

global: 4.7. Global Declarations (Programming Perl)

global variables,: 4.8.3. Lexically Scoped Global Declarations: our (Programming Perl)

methods,: 12.7.6. New Tricks (Programming Perl)

packages: 7.1. Namespaces and Packages (Perl in a Nutshell)

1.2.1.4. Simplicities (Programming Perl)
4.8. Scoped Declarations (Programming Perl)
10. Packages (Programming Perl)

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

scoped: 4.8. Scoped Declarations (Programming Perl)

subroutines: 4.7. Subroutines (Perl in a Nutshell)

4.7. Global Declarations (Programming Perl)
with definitions: 6.1. Syntax (Programming Perl)

use declarations: 1.2.1.4. Simplicities (Programming Perl)

variables: 4.2.6. Declarations and Scope (Perl in a Nutshell)

4. Statements and Declarations (Programming Perl)
4.8.1. Scoped Variable Declarations (Programming Perl)

declarative approach, regular expression programming: 5.10.3. Programmatic Patterns (Programming Perl)

declaring

formats: 7. Formats (Programming Perl)

subroutines: 29.2.167. sub (Programming Perl)

without defining: 6.1. Syntax (Programming Perl)

decomposing characters into simpler ones: 5.4.3.2. Standard Unicode properties (Programming Perl)

without defining: 5.4.3.2. Standard Unicode properties (Programming Perl)

decompressing CPAN modules: 22.2.1. Decompressing and Unpacking CPAN Modules (Programming Perl)

without defining: 22.2.1. Decompressing and Unpacking CPAN Modules (Programming Perl)

decrementing variables: 1.5.4. Unary Arithmetic Operators (Programming Perl)

without defining: 1.5.4. Unary Arithmetic Operators (Programming Perl)

decryption (see encryption)

without defining (see encryption)

deep binding: 4.5.2. Python (Advanced Perl Programming)

deep copies: 11.12. Copying Data Structures (Perl Cookbook)

default filehandle

default package: 4.8. Scoped Declarations (Programming Perl)

without defining: 4.8. Scoped Declarations (Programming Perl)

DEFAULT pseudosignal: 16.1. Signals (Programming Perl)

without defining: 16.1. Signals (Programming Perl)

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

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

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

defined function: 29.2.23. defined (Programming Perl)

without defining: 29.2.23. defined (Programming Perl)

defined operator: 1.2. Establishing a Default Value (Perl Cookbook)

Chapter 5, Reference: defined (Perl in a Nutshell)

definedness: 1.0. Introduction (Perl Cookbook)

1.2. Establishing a Default Value (Perl Cookbook)

defining: 6.2. Semantics (Programming Perl)

without defining: 6.2. Semantics (Programming Perl)

classes (object-oriented modules as): 11.1. Using Modules (Programming Perl)

subroutines

declarations vs.: 4.7. Global Declarations (Programming Perl)
loading from other files: 4.7. Global Declarations (Programming Perl)
loading with AUTOLOAD: 10.2. Autoloading (Programming Perl)

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

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

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

DEL in hexadecimal: 2.6.2. String Literals (Programming Perl)

loading with AUTOLOAD: 2.6.2. String Literals (Programming Perl)

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

delegation: 8.2. Delegation (Advanced Perl Programming)

delete(): 5.3. Deleting from a Hash (Perl Cookbook)

Chapter 5, Reference: delete (Perl in a Nutshell)
Canvas widget: 18.12.3. Canvas Methods (Perl in a Nutshell)
CGI.pm module: Chapter 10, Reference: delete (Perl in a Nutshell)
Entry widget: 18.8.2. Entry Methods (Perl in a Nutshell)
HTML::Parser module: Chapter 17, Reference: delete (Perl in a Nutshell)
Listbox widget: 18.10.2. Listbox Methods (Perl in a Nutshell)
Mail::Send module: Chapter 14, Reference: delete (Perl in a Nutshell)
Menu widget: 18.15.2. Menu Methods (Perl in a Nutshell)
multiple hash key values: 5.7. Hashes with Multiple Values Per Key (Perl Cookbook)
Net::FTP module: Chapter 16, Reference: delete (Perl in a Nutshell)
Net::POP3 module: Chapter 14, Reference: delete (Perl in a Nutshell)
Text widget: 18.11.2. Text Methods (Perl in a Nutshell)
Tie::IxHash module and: 5.6. Retrieving from a Hash in Insertion Order (Perl Cookbook)

delete function: 29.2.24. delete (Programming Perl)

loading with AUTOLOAD: 29.2.24. delete (Programming Perl)

tied arrays, not returning deleted value for: 24.1.5. Previous Perl Traps (Programming Perl)

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

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

DeleteKey() (Win32::Registry)

Chapter 19, Reference: DeleteKey (Perl in a Nutshell)

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

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

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

deleting

all debugger actions: 20.2.6. Actions and Command Execution (Programming Perl)

array elements: 29.2.111. pop (Programming Perl)

29.2.149. shift (Programming Perl)
29.2.160. splice (Programming Perl)

breakpoints: 20.2.2. Breakpoints (Programming Perl)

characters: 29.2.11. chomp (Programming Perl)

clearing the screen: 15.3. Clearing the Screen (Perl Cookbook)

directories: 29.2.135. rmdir (Programming Perl)

29.2.188. unlink (Programming Perl)

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

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

emptying DBM files: 14.2. Emptying a DBM File (Perl Cookbook)

files: 9.2. Deleting a File (Perl Cookbook)

29.2.188. unlink (Programming Perl)

found but unreplaced characters: 5.2.4. The tr/// Operator (Transliteration) (Programming Perl)

hash elements: 5.3. Deleting from a Hash (Perl Cookbook)

29.2.24. delete (Programming Perl)

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

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

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

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

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

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

pattern-matching operators and: 5.2. Pattern-Matching Operators (Programming Perl)

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

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

denial-of-service attack: 10.4.1. Perl Saves the Day (Perl for System Administration)

denial-of-service problems (patterns and regular expressions), security concerns: 23.3.2. Code Masquerading as Data (Programming Perl)

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

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

dereference-address operator (*), C language: 3.21. C Operators Missing from Perl (Programming Perl)

dereference operators, overloading: 13.3. Overloadable Operators (Programming Perl)

dereferencing: 8.1. What Is a Reference? (Programming Perl)

8.1. What Is a Reference? (Programming Perl)

8.3. Using Hard References (Programming Perl)

8.3.1. Using a Variable as a Variable Name (Programming Perl)

8.3.3. Using the Arrow Operator (Programming Perl)

array elements: 9.1.3. Access and Printing (Programming Perl)

automatic: 1.1.8. No Automatic Dereferencing (Advanced Perl Programming)

hash values as functions: 9.5. Hashes of Functions (Programming Perl)

multiple levels of indirection: 1.2.4. Dereferencing Multiple Levels of Indirection (Advanced Perl Programming)

operator for (see arrow operator)

(see also: 1.1.2. Dereferencing (Advanced Perl Programming)

4.8.2. Dereferencing (Perl in a Nutshell)
7.4. Object Syntax (Perl in a Nutshell)

subroutine references: 4.1.3. Dereferencing Subroutine References (Advanced Perl Programming)

typeglobs: 10.1. Symbol Tables (Programming Perl)

derived classes: 13.0. Introduction (Perl Cookbook)

12.1. Brief Refresher on Object-Oriented Lingo (Programming Perl)
methods as wrappers around base class methods: 12.5.2. Accessing Overridden Methods (Programming Perl)

descriptors (see file descriptors)

deselect()

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

DESTROY function: 7.2.7. Object Destruction (Advanced Perl Programming)

9.1. Tying Scalars (Advanced Perl Programming)
7.3. Object-Oriented Perl (Perl in a Nutshell)

destroying

modules/packages: 6.3. Package Initialization and Destruction (Advanced Perl Programming)

objects: 7.2.7. Object Destruction (Advanced Perl Programming)

threads

detach method: 17.2.1.4. The detach method (Programming Perl)
join method: 17.2.1.2. Thread destruction (Programming Perl)

destructors: 13.0. Introduction (Perl Cookbook)

13.2. Destroying an Object (Perl Cookbook)
12.6. Instance Destructors (Programming Perl)
controlling: 19.2. Environment Variables (Programming Perl)
garbage collection with: 12.6.1. Garbage Collection with DESTROY Methods (Programming Perl)
shared memory and semaphore: 16.4. System V IPC (Programming Perl)

detach method: 17.2.1.4. The detach method (Programming Perl)

$dev file statistic: 29.2.165. stat (Programming Perl)

deterministic finite automata: 6.0. Introduction (Perl Cookbook)

Devel modules

Devel::Dump module: 20.3.2.1. Inside AVs (Advanced Perl Programming)

Devel::Peek module: 20.1. Reading the Source (Advanced Perl Programming)

20.3.1.2. Inside SVs (Advanced Perl Programming)

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

Devel::SelfStubber module: 8.41. Devel::SelfStubber (Perl in a Nutshell)

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

Devel::Dprof module: 20.6. The Perl Profiler (Programming Perl)

profiling subroutine execution with: 20.6. The Perl Profiler (Programming Perl)

development support, modules for: 22.1. The CPAN modules Directory (Programming Perl)

Devel::Peek module: 32.1.13. Perl Language Extensions and Internals (Programming Perl)

Devel::SelfStubber module: 32.1.17. Module Installation Support (Programming Perl)

Devel::SmallProf module: 20.6. The Perl Profiler (Programming Perl)

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

diagnostic messages (see error messages)

diagnostics module: 8.42. diagnostics (Perl in a Nutshell)

32.1.13. Perl Language Extensions and Internals (Programming Perl)

Dial-Up User List: 8.3.3.2. Checking against Internet-wide blacklists (Perl for System Administration)

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

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

die(): B.7. Exception Handling (Advanced Perl Programming)

5.2. The Block Form: Exception Handling (Advanced Perl Programming)
10.12. Handling Exceptions (Perl Cookbook)
Chapter 5, Reference: die (Perl in a Nutshell)
4.9. Filehandles (Perl in a Nutshell)
time-outs and: 5.6. Using Eval for Time-Outs (Advanced Perl Programming)

die function: 29.2.25. die (Programming Perl)

exit function versus: 29.2.35. exit (Programming Perl)
quit signal handling and: 16.1. Signals (Programming Perl)

__DIE__ token: 16.15. Installing a Signal Handler (Perl Cookbook)

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

dieLevel option (debugger): 20.3.3. Debugger Options (Programming Perl)

Digest\:\:MD5 module: 10.1.2. Network Service Changes (Perl for System Administration)

digits: 1.7. Regular Expressions (Programming Perl)

in names: 2.5. Names (Programming Perl)

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

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

directives (pod): 26.1.2. Pod Directives (Programming Perl)

directories: 9.0. Introduction (Perl Cookbook)

auditing: 4.4.1. Tracking Operations on Windows NT/2000 (Perl for System Administration)

adding/deleting: 6.4.6. Adding Entries with Standard LDAP Operations (Perl for System Administration)
modifying: 6.4.8. Modifying Entry Names (Perl for System Administration)

changing working: 29.2.9. chdir (Programming Perl)

closing: 29.2.17. closedir (Programming Perl)

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

creating: 29.2.94. mkdir (Programming Perl)

creating or removing portably: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)

current working, getting pathname of: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)

deleting: 9.8. Removing a Directory and Its Contents (Perl Cookbook)

29.2.135. rmdir (Programming Perl)
29.2.188. unlink (Programming Perl)

deleting files in: 9.2. Deleting a File (Perl Cookbook)

DirHandle module: 32.1.5. Filehandle, Directory Handle, and Stream I/O Utilities (Programming Perl)

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

file test checks on trees: 32.1.4. Filenames, Filesystems, and File Locking (Programming Perl)

file test operator: 1.5.7. Some File Test Operators (Programming Perl)

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

functions dealing with: 29.1. Perl Functions by Category (Programming Perl)

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

hidden, searching for: 10.2.1. Local Signs of Peril (Perl for System Administration)

ADSI: 6.5.6. Searching (Perl for System Administration)
LDAP: 6.4.3. Performing LDAP Searches (Perl for System Administration)

IO::Dir module: 32.1.5. Filehandle, Directory Handle, and Stream I/O Utilities (Programming Perl)

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

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

opendir function: 29.2.105. opendir (Programming Perl)

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

Perl modules for: 22.1. The CPAN modules Directory (Programming Perl)

prepending to @INC: 19.1.3. Switches (Programming Perl)

processing all files in: 9.5. Processing All Files in a Directory (Perl Cookbook)

9.7. Processing All Files in a Directory Recursively (Perl Cookbook)

reading entries from: 29.2.121. readdir (Programming Perl)

recursively duplicating: 9.11. Program: symirror (Perl Cookbook)

renaming files: 9.9. Renaming Files (Perl Cookbook)

rewinddir function: 29.2.133. rewinddir (Programming Perl)

root, redefining: 29.2.15. chroot (Programming Perl)

seekdir function: 29.2.139. seekdir (Programming Perl)

sorting contents of: 9.0. Introduction (Perl Cookbook)

9.12. Program: lst (Perl Cookbook)

timestamps: 9.1. Getting and Setting Timestamps (Perl Cookbook)

directory handles: 3.4. Filehandles, Directory Handles, and Formats (Advanced Perl Programming)

9.5. Processing All Files in a Directory (Perl Cookbook)
modules/packages and: 6.1. Basic Package (Advanced Perl Programming)

Directory Information Tree (DIT): B.1. LDAP Data Organization (Perl for System Administration)

LDAP: B.1. LDAP Data Organization (Perl for System Administration)

directory services

Finger: 6.2. Finger: A Simple Directory Service (Perl for System Administration)

LDAP: 6.4. LDAP: A Sophisticated Directory Service (Perl for System Administration)

WHOIS

Net\:\:Whois, using with: 6.3. The WHOIS Directory Service (Perl for System Administration)

X.500: 6.4. LDAP: A Sophisticated Directory Service (Perl for System Administration)

directory tree: B.1. LDAP Data Organization (Perl for System Administration)

alleviating: 2.4. Walking the Filesystem Using the File::Find Module (Perl for System Administration)
of logging output: 9.4. Disk Space Problems (Perl for System Administration)

DirHandle module: 3.4. Filehandles, Directory Handles, and Formats (Advanced Perl Programming)

8.43. DirHandle (Perl in a Nutshell)

dirname(): 9.10. Splitting a Filename into Its Component Parts (Perl Cookbook)

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

disciplines: 29.2.104. open (Programming Perl)

filehandles, setting up with binmode: 29.2.6. binmode (Programming Perl)

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

disk usage, library: 14.0. Introduction (Perl Cookbook)

dispatch tables: 4.2.1. Dispatch Table (Advanced Perl Programming)

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

Distinguished Name (DN): B.1. LDAP Data Organization (Perl for System Administration)

Distributed Management Task Force (DMTF): 4.2.4. Using Window Management Instrumentation (WMI) (Perl for System Administration)

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

DIT (Directory Information Tree): B.1. LDAP Data Organization (Perl for System Administration)

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

division (see multiplicative operators)

division operators

4.5.3. Arithmetic Operators (Perl in a Nutshell)

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

DMTF (Distributed Management Task Force): 4.2.4. Using Window Management Instrumentation (WMI) (Perl for System Administration)

DN (Distinguished Name), root: 6.4.2. The Initial LDAP Connection (Perl for System Administration)

DNS (domain name server): 16.5. Sockets (Programming Perl)

DNS (Domain Name Service): 5.3.1.1. Creating the administrative header (Perl for System Administration)

5.3.1.2. Generating multiple configuration files (Perl for System Administration)

administrative header: 5.3.1.1. Creating the administrative header (Perl for System Administration)
generating multiple: 5.3.1.2. Generating multiple configuration files (Perl for System Administration)

packets: 5.3.2.2. Working with raw network sockets (Perl for System Administration)

using Net\:\:DNS: 5.3.2.3. Using Net::DNS (Perl for System Administration)
using nslookup: 5.3.2.1. Using nslookup (Perl for System Administration)
using raw sockets: 5.3.2.2. Working with raw network sockets (Perl for System Administration)

DNS lookups: 18.1. Simple DNS Lookups (Perl Cookbook)

do(): 8.16. Reading Configuration Files (Perl Cookbook)

Chapter 5, Reference: do (Perl in a Nutshell)
DBI module: Chapter 12, Reference: do (Perl in a Nutshell)

do { }:: (Programming Perl) 3.1. Terms and List Operators (Leftward)

BLOCK: 4.1. Simple Statements (Programming Perl)

29.2.26. do (block) (Programming Perl)

loop controls: 4.1. Simple Statements (Programming Perl)

iterating: 4.5. Bare Blocks (Programming Perl)

terminating: 4.5. Bare Blocks (Programming Perl)

do loops: 4.3.1.4. Modifiers (Perl in a Nutshell)

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

Document Type Definition (DTD): C.2. XML Is Picky (Perl for System Administration)

7.4.1. MySQL Server via DBI (Perl for System Administration)

7.4.2. Sybase Server via DBI (Perl for System Administration)

MySQL server: 7.4.1. MySQL Server via DBI (Perl for System Administration)
Sybase server: 7.4.2. Sybase Server via DBI (Perl for System Administration)
using raw sockets: C.2. XML Is Picky (Perl for System Administration)

with Win32\:\:ODBC module, MS-SQL server: 7.4.3. MS-SQL Server via ODBC (Perl for System Administration)

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

documentation

2.5. Documentation (Perl in a Nutshell)

(see also pod)

books on Perl: 0.5. Offline Documentation (Programming Perl)

bug reports: 0.6.3. Bug Reports (Programming Perl)

C library functions: 29. Functions (Programming Perl)

conventions: Conventions Used in This Book (Perl Cookbook)

default system viewer, calling: 20.2.7. Miscellaneous Commands (Programming Perl)

embedded in Perl programs: 26. Plain Old Documentation (Programming Perl)

Javadoc format: 17.1. On Code Generation (Advanced Perl Programming)

POD format: 17.1. On Code Generation (Advanced Perl Programming)

4.11. Pod (Perl in a Nutshell)
4.11.3. Pod Utilities (Perl in a Nutshell)

Domain Name Service (see DNS)

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

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

domains

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

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

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

dosish.h file: 19.1.1. #! and Quoting on Non-Unix Systems (Programming Perl)

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

double-ended pipe, opening with tied filehandle: 14.4.2. Creative Filehandles (Programming Perl)

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

double-quote context: 2.7.4. Interpolative Context (Programming Perl)

scalar variables, expanding in: (Programming Perl) 5.2.3. The s/// Operator (Substitution)

double-quoted strings, interpolation and concatenation: 1.5.2. String Operators (Programming Perl)

double quotes ("): 1.2.1.1. Singularities (Programming Perl)

4.2.2. String Interpolation (Perl in a Nutshell)
2.6.2. String Literals (Programming Perl)
5.2. Pattern-Matching Operators (Programming Perl)
5.2. Pattern-Matching Operators (Programming Perl)
8.5. Braces, Brackets, and Quoting (Programming Perl)
conversion operator, stringification: 13.3. Overloadable Operators (Programming Perl)
in formline arguments: 29.2.42. formline (Programming Perl)
in replacement string: (Programming Perl) 5.2.3. The s/// Operator (Substitution)
translation escape processing: 5.9.2.1. When backslashes happen (Programming Perl)

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

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

down method: 17.2.3.2. Semaphores (Programming Perl)

downloading source code: 2. Installing Perl (Perl in a Nutshell)

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

DProf (see Devel::Dprof module)

dprofpp utility: 6.5. The Perl Profiler (Perl in a Nutshell)

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

driver, Linux: 2.1. Perl to the Rescue (Perl for System Administration)

DSN (Data Source Name): 7.3. Using the ODBC Framework (Perl for System Administration)

DTD (Document Type Definition): C.2. XML Is Picky (Perl for System Administration)

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

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

dump(): Chapter 5, Reference: dump (Perl in a Nutshell)

29.2.29. dump (Programming Perl)
CGI.pm module: Chapter 10, Reference: dump (Perl in a Nutshell)
HTML::Parser module: Chapter 17, Reference: dump (Perl in a Nutshell)

Dump module: 20.3.2.1. Inside AVs (Advanced Perl Programming)

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

Dumper module: 10.2.2. Data::Dumper (Advanced Perl Programming)

dumpValue function: 2.5. Pretty-Printing (Advanced Perl Programming)

Dumpvalue module: 32.1.13. Perl Language Extensions and Internals (Programming Perl)

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

duplicate

list elements, extracting: 4.6. Extracting Unique Elements from a List (Perl Cookbook)
replaced characters, eliminating: (Programming Perl) 5.2.4. The tr/// Operator (Transliteration)
words, finding: 6.16. Detecting Duplicate Words (Perl Cookbook)

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

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

DynaLoader: 21.3.2. Creating Extensions (Programming Perl)

10.2. Autoloading (Programming Perl)
32.1.17. Module Installation Support (Programming Perl)

DynaLoader module: 8.44. DynaLoader (Perl in a Nutshell)

dynamic allocation: 1. Data References and Anonymous Storage (Advanced Perl Programming)

1.2.3. References to Anonymous Storage (Advanced Perl Programming)
1.7.1. Tcl (Advanced Perl Programming)

dynamic binding: 9. Tie (Advanced Perl Programming)

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

dynamic linking: 21.3.1. XS and XSUBs (Programming Perl)

C source code from Perl: (Programming Perl) 21.3. Extending Perl (Using C from Perl)

dynamic scoping: 3.1.2. Lexical Versus Dynamic Scoping (Advanced Perl Programming)

10.13. Saving Global Values (Perl Cookbook)

4.2.6. Declarations and Scope (Perl in a Nutshell)

4.7.4. Private and Local Variables (Perl in a Nutshell)

4.8. Scoped Declarations (Programming Perl)

4.8.1. Scoped Variable Declarations (Programming Perl)

local operator, using on global variables: 4.8.4. Dynamically Scoped Variables: local (Programming Perl)

pattern variables: 5.2. Pattern-Matching Operators (Programming Perl)

5.2.3. The s/// Operator (Substitution) (Programming Perl)

dynamically linked libraries (DLLs), used by processes: 4.2.2. Using the Win32::IProc Module (Perl for System Administration)

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