Index: D

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Index: D

-d file test operator: 9.7.3. Discussion

daemon servers: 16.23. Program: sigrand

17.17.1. Problem

data, relationships between

5.16.1. Problem
(see also variables)

data structures

binary trees: 11.17. Program: Binary Trees
circular, coping with, using weak references: 11.15.1. Problem
complex, creating on the fly: 11.. Anonymous Data
copying: 11.12.1. Problem
outlines: 11.16. Program: Outlines
parsing XML into: 22.1.1. Problem
printing: 11.11.1. Problem
storing to disk: 11.13.1. Problem
transparently persistent: 11.14.1. Problem

__DATA__ token: 7.12.2. Solution

data types

circular data structures: 13.13.1. Problem
classes as structs: 13.5.1. Problem

database access: 14.. Introduction

DBM files

converting between: 14.3.1. Problem
emptying: 14.2.1. Problem
making and using: 14.1.1. Problem
merging: 14.4.1. Problem
sorting: 14.5.1. Problem
storing complex data in: 14.6.1. Problem

dealing with errors: 14.11.1. Problem

ggh program: 14.19. Program: ggh—Grep Netscape Global History

persistent data: 14.7.1. Problem

speeding up with mod_perl: 21.8.1. Problem

SQL: 20.9.3. Discussion

queries: 14.9.1. Problem

14.14.1. Problem
19.6.3. Discussion

using transactions: 14.15.1. Problem

viewing data one page at a time: 14.16.1. Problem

Data::Dumper module: 11.11.2. Solution

datagram sockets: 17.4.3. Discussion

date and time values: 3.. Introduction

arithmetic with: 3.4.1. Problem

converting to and from Epoch seconds: 3.2.1. Problem

Date::DateCalc: 3.4.1. Problem

Date::Manip module: 3.8.3. Discussion

3.11. Program: hopdelta

days, calculating: 3.6.1. Problem

number between two dates: 3.5.1. Problem

file access timestamps: 9.1.1. Problem

high-resolution timers: 3.9.1. Problem

hopdelta program: 3.11. Program: hopdelta

parsing information from strings: 3.7.1. Problem

printing: 3.8.1. Problem

seconds passed since Epoch: 3.. Introduction

sleeps: 3.10.1. Problem

sorting mail by: 10.18. Program: Sorting Your Mail

Time::gmtime module: 3.3.2. Solution

Time::HiRes module: 3.9.2. Solution

Time::Local module: 3.2.2. Solution

Time::timelocal module: 3.3.2. Solution

timing out operations: 16.21.1. Problem

today's date, finding: 3.1.1. Problem

years: 3.. Introduction

DateCalc( ): 3.11. Program: hopdelta

Date::Calc module: 3.4.2. Solution

3.6.2. Solution

Date::DateCalc module: 3.. Introduction

Date::Manip module: 3.. Introduction

3.7.2. Solution
3.11. Program: hopdelta

day, month, year, hour, minute, seconds (DMYHMS): 3.. Introduction

Day_of_week( ): 3.6.2. Solution

Day_of_Year( ): 3.6.2. Solution

days (see date and time values)

DBD module: 14.9.2. Solution

DBD::CSV module: 14.17.2. Solution

DBD::SQLite module: 14.. Introduction

14.18.2. Solution

DB_File module: 11.14.2. Solution

DB_RECNO access method: 8.8.2. Solution
sorting large DBM files: 14.5.2. Solution

db2gdbm program: 14.3.2. Solution

DBI module: 14.9.2. Solution

DBIx::Dump module: 14.8.2. Solution

DBM files

complex data in: 14.6.1. Problem
converting between: 14.3.1. Problem
emptying: 14.2.1. Problem
GDBM files: 14.3.2. Solution
making and using: 14.1.1. Problem
merging: 14.4.1. Problem
sorting: 14.5.1. Problem

DBM libraries: 14.. Introduction

dclone( ): 11.12.2. Solution

13.7.2. Solution

debugging

CGI scripts: 19.. Behind the Scenes

19.3.3.3. Is the script valid Perl?

raw HTTP exchange: 19.8.1. Problem

deep copies: 11.12.3. Discussion

default values for variables: 1.2.1. Problem

defined operator: 1.2.3. Discussion

definedness: 1.. Introduction

1.2.3. Discussion

deg2rad( ): 2.10.3. Discussion

delaying module loading: 12.3.1. Problem

delete( ): 5.4.2. Solution

compared to undef( ): 5.4.3. Discussion
multiple hash key values: 5.8.3. Discussion

deleting

clearing the screen: 15.3.1. Problem

directories and their contents: 9.8.1. Problem

DOS shell window: 15.17.1. Problem

emptying DBM files: 14.2.1. Problem

files: 9.2.1. Problem

last line of: 8.10.1. Problem

hash elements: 5.4.1. Problem

HTML tags from strings: 20.6.1. Problem

selected subroutine return values: 10.8.1. Problem

whitespace at string ends: 1.19.1. Problem

delimiters: 1.. Introduction

Delta_Days( ): 3.5.3. Discussion

Delta_DHMS( ): 3.5.3. Discussion

dequote( ): 1.16.3. Discussion

dereferencing (see references)

destructors: 13.. Methods

13.2.1. Problem

Devel::Peek module: 11.15.3. Description

diacritics: 1.8.3. Discussion

converting case and: 1.13.3. Discussion

dialog boxes with Tk toolkit: 15.15.1. Problem

DialogBox widget, Tk: 15.15.2. Solution

die function: 10.12.2. Solution

__DIE__ signal: 16.15.3. Discussion

differences of lists: 4.8.1. Problem

computing: 4.9.1. Problem
simple and symmetric: 4.9.3. Discussion

directories: 9.. Introduction

copying and moving files: 9.3.1. Problem

deleting: 9.8.1. Problem

deleting files: 9.2.1. Problem

multiple names for same file: 9.4.1. Problem

of modules: 12.8.1. Problem

parsing filenames: 9.10.1. Problem

processing all files in: 9.5.1. Problem

recursively: 9.7.1. Problem

recursively duplicating: 9.12. Program: symirror

renaming files: 9.9.1. Problem

sorting contents of: 9.. Introduction

9.13. Program: lst

timestamps: 9.1.1. Problem

directory handles: 9.. Executive Summary

dirname( ): 9.10.3. Discussion

disk usage, library: 14.. Introduction

Distinguished Name (DN): 18.8.3. Discussion

DMYHMS (day, month, year, hour, minute, seconds): 3.. Introduction

DMYHMS values (see date and time values)

DN (Distinguished Name): 18.8.3. Discussion

DNS lookups: 18.1.1. Problem

do( ): 10.. Introduction

configuration files, reading: 8.16.3. Discussion
finding number of rows returned by SQL queries: 14.14.2. Solution

Document Object Model (DOM): 22.. History of Perl and XML

dollar sign ($)

$1, $2, . . . (backreferences): 1.11.3. Discussion

6.. Special Variables
finding doubled words: 6.16.2. Solution

$| variable: 7.. I/O Operations

7.19.2. Solution

$* variable (deprecated): 6.. Pattern-Matching Modifiers

$& variable: 1.11.3. Discussion

6.. Special Variables

$#ARRAY variable: 4.3.2. Solution

$^F variable: 12.7.3. Discussion

hashes: 5.. Introduction

$^I variable: 7.16.3. Discussion

$^O variable: 7.25. Program: lockarea

9.10.3. Discussion

$VERSION variable (use pragma): 12.1.3. Discussion

$^W variable: 12.14.3. Discussion

DOM (Document Object Model): 22.. History of Perl and XML

trees: 22.. History of Perl and XML

building while validating XML: 22.5.3. Discussion
parsing XML into: 22.2.1. Problem

domains for sockets: 17.. Introduction

DOS shell window, removing: 15.17.1. Problem

dot (.)

. . and . . . range operators: 6.8.2. Solution
periods in numbers: 2.16.1. Problem

double quote ("): 1.. Introduction

escaping: 14.10.1. Problem

double words, finding: 6.16.1. Problem

du command, sorting output of: 5.17. Program: dutree

Dump( ): 11.15.3. Description

Dumpvalue module: 5.6.3. Discussion

duplicate list elements, extracting: 4.7.1. Problem

dutree program: 5.17. Program: dutree

dynamic scoping: 10.13.3.3. Using local( ) on parts of aggregates

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