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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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