Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: D

data

formatting with sprintf function: 15.3. Formatting Data with sprintf

manipulating with pack and unpack functions: 16.2. Manipulating Data with pack and unpack

data-flow analysis: B.14. Security

data structures, complex: B.20.1. Complex Data Structures

databases: 16. Simple Databases

B.7. Databases

DBI module and: B.7.3. Relational Database Access

files for, read/write access to: 16.3. Fixed-length Random-access Databases

fixed-length random-access: 16.3. Fixed-length Random-access Databases

hashes and: 5.1.1. Why Use a Hash?

variable-length text: 16.4. Variable-length (Text) Databases

date command (Unix): 14.1. The system Function

16.4. Variable-length (Text) Databases

capturing output and: 14.4. Using Backquotes to Capture Output

DBI module: B.7.3. Relational Database Access

DBM files: 16.1. DBM Files and DBM Hashes

B.21. Tied Variables

DBM hashes: 16.1. DBM Files and DBM Hashes

B.21. Tied Variables

dbmclose function: 16.1.1. Opening and Closing DBM Hashes

dbmopen function: 16.1.1. Opening and Closing DBM Hashes

debugger for Perl: B.15. Debugging

decimal integer conversion: 6.5. Formatted Output with printf

decimals

formatting for output: 17.3. Transforming Items from a List with map

rounding

printf function and: 6.5. Formatted Output with printf

sprintf function and: 15.3.1. Using sprintf with "Money Numbers"

default variable ($_): 3.7. Perl's Favorite Default: $_

=~ binding operator and: 9.3. The Binding Operator, =~

input stored in: 6.1. Input from Standard Input

defaults: 1.2.2. Is Perl Easy or Hard?

output filehandle: 11.4.1. Changing the Default Output Filehandle

defined function: 2.12. The defined Function

13.6. Changing Ownership

delete function: 5.4.2. The delete Function

delimiters

changing for s/// substitution operator: 9.6.2. Different Delimiters

in lists: 3.3.1. The qw Shortcut

nonpaired: 9.1. Matches with m//

diagnostic messages, from diamond operator\\: 6.2. Input from the Diamond Operator

diagnostics pragma: B.6.2. The diagnostics Pragma

diamond operator (see diamond operator)

diamond operator (): 6.2. Input from the Diamond Operator

@ARGV array and: 6.3. The Invocation Arguments

in-place editing of text files and: 16.4. Variable-length (Text) Databases

die function: 11.3. Fatal Errors with die

digits, \\\\d shortcut for: 8.1.1. Character Class Shortcuts

directories: 13.3. Links and Files

making/removing: 13.4. Making and Removing Directories

manipulating: 12. Directory Operations

directory handles: 12.4. Directory Handles

dirname function, File::Basename module and: 13.8.1. The File::Basename Module

division operator (/): 2.2.5. Numeric Operators

documentation for Perl: 1.3.3. Are There Any Other Kinds of Support?

B.1. Further Documentation

embedding: B.28. Embedded Documentation

dollar sign ($)

in regular text: 2.6.1. Interpolation of Scalar Variables into Strings

in scalar variable names: 2.5. Scalar Variables

indicating end of string: 8.3. Anchors

preceding hash names: 5.2. Hash Element Access

domain-name databases: B.7.1. Direct System Database Access

dot (.)

as wildcard character: 7.2.1. About Metacharacters

/s modifier and: 9.2.2. Matching Any Character with /s

indicating current directory: 13.3. Links and Files

dot and slash (./): 1.4.1. A Simple Program

dot-dot (..) indicating parent directory: 13.3. Links and Files

double-precision floating-point values: 2.2.1. All Numbers Are the Same Format Internally

double-quote interpolation (see variable interpolation)

double-quoted string literals: 2.3.2. Double-Quoted String Literals

arrays, interpolating into: 3.5. Interpolating Arrays into Strings

hash elements, interpolating into: 5.4.3. Hash Element Interpolation

scalar variables, interpolating into: 2.6.1. Interpolation of Scalar Variables into Strings

variable interpolation and: 2.3.2. Double-Quoted String Literals

double quotes ("")

arrays and: 6.4. Output to Standard Output

enclosing strings: 2.3.2. Double-Quoted String Literals

omitting from hash keys: 17.4. Unquoted Hash Keys

downloading pattern test program: 7.4. Exercises

dynamic loading: B.23. Dynamic Loading

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