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Index: A

.al filename extensions: 10.2. Autoloading

-a (autosplit) command-line switch: 19.1.3. Switches

-A (access age) file test operator: 3.10. Named Unary and File Test Operators

\A (string boundary): 5.6.1. Beginnings: The \A and ^ Assertions

Control-A: 5.2.3. The s/// Operator (Substitution)

abbreviations, text: 32.1.2. String Processing, Language Text Processing, Parsing, and Searching

abs (absolute value) function: 29.2.1. abs

abstraction: 10. Packages

in object-oriented programming: 12.3. Method Invocation

accept function: 29.2.2. accept

access checks, setting in constructor: 12.7.5. Using Closures for Private Objects

access time, file: 29.2.165. stat

29.2.193. utime

accessing

array of hashes: 9.3.3. Access and Printing of an Array of Hashes
elements, tied arrays: 14.2.1. Array-Tying Methods
hashes of arrays: 9.2.3. Access and Printing of a Hash of Arrays
multidimensional arrays: 9.1.3. Access and Printing
multidimensional hashes: 9.4.3. Access and Printing of a Hash of Hashes
overridden methods: 12.5.2. Accessing Overridden Methods
records of elaborate data structures: 9.6.1. Composition, Access, and Printing of More Elaborate Records
slices of multidimensional arrays: 9.1.4. Slices

accessor methods: 12.4.2. Initializers

class data methods, working like: 12.8. Managing Class Data
creating: 12.7. Managing Instance Data
generating with autoloading: 12.7.3. Generating Accessors with Autoloading
generating with closures: 12.7.4. Generating Accessors with Closures
pseudohashes and: 12.7.1. Field Declarations with use fields

$ACCUMULATOR: 28.2. Special Variables in Alphabetical Order

actions (debugger)

command execution, specifying from debugger: 20.2.6. Actions and Command Execution
listing all: 20.2.2. Breakpoints

ActiveState Perl distribution

installing on Windows systems: 19.1.1. #! and Quoting on Non-Unix Systems
Microsoft-only modules: 32.1.20. Microsoft-Related Modules
PPM (Perl Package Manager): 22.2. Using CPAN Modules

adding additional array elements: 29.2.190. unshift

addition: 1.5.1. Some Binary Arithmetic Operators

overloaded plus (+) operator: 13.2. Overload Handlers

additive operators: 3.8. Additive Operators

address-of operator (in C): 3.21. C Operators Missing from Perl

addresses

C language, Perl vs.: 24.1.3. C Traps

getting from hostnames: 29.2.52. getnetbyname

network, getting from hostnames: 29.2.48. gethostbyname

network, translating to names: 29.2.47. gethostbyaddr

29.2.51. getnetbyaddr

packed socket: 29.2.67. getsockname

reused, displaying contents of: 20.3.3. Debugger Options

socket names as: 29.2.5. bind

alarm function: 29.2.3. alarm

pattern match, timing out: 23.3.2. Code Masquerading as Data

alert (bell): 2.6.2. String Literals

Perl modules for: 22.1. The CPAN modules Directory

for characters: 5.3.2. Specific Characters

debugger command for: 20.2.7. Miscellaneous Commands

in for/foreach loops

searching and replacing elements in arrays: 5.2.3.1. Modifying strings en passant

for/foreach loops, creating with: 4.5.1. Case Structures

symbol table entries: 2.5.1. Name Lookups

2.10. Typeglobs and Filehandles

symbol table key, assignment to typeglob: 10.1. Symbol Tables

aliasing, in foreach loops: 4.4.3. foreach Loops

ALRM signal: 16.1.3. Timing Out Slow Operations

alternation: 5.1. The Regular Expression Bestiary

character classes and: 5.4.1. Custom Character Classes
interior, limiting scope of: 5.7.2. Clustering
match one or the other (...|...): 5.3.1. Metasymbol Tables
in patterns: 5.8. Alternation
precedence, pattern matching: 5.9.4. The Little Engine That /Could(n't)?/

American Standard Code for Information Interchange (see ASCII)

anchors: 1.7.3. Nailing Things Down

5.6. Positions

and (&) bitwise operator: 3.13. Bitwise Operators

and (&&) logical operator: 1.5.5. Logical Operators

3.14. C-Style Logical (Short-Circuit) Operators
3.20. Logical and, or, not, and xor
precedence, and operator vs. &&: 12.3.3. Syntactic Snafus with Indirect Objects

and operator: 24.3. Programming with Style

angle brackets (see right and left angle brackets)

angle operator: 2.11.2. Line Input (Angle) Operator

19.1.3. Switches
24.1.2. Frequently Ignored Advice
reading filehandle from: 14.4.1. Filehandle-Tying Methods

array composer: 8.2.2.1. The anonymous array composer

arrays

hash of, creating: 9.2.1. Composition of a Hash of Arrays
two-dimensional array slice: 9.1.4. Slices

hash composer: 8.2.2.2. The anonymous hash composer

hashes

adding to multidimensional hashes: 9.4.1. Composition of a Hash of Hashes
array of, creating: 9.3.1. Composition of an Array of Hashes
data structue for objects: 12.4. Object Construction

pipes: 16.3.1. Anonymous Pipes

referents: 8.1. What Is a Reference?

subroutine composer: 8.2.2.3. The anonymous subroutine composer

subroutines: 6. Subroutines

giving names at run time: 10.1. Symbol Tables

AnyDBM_File module: 32.1.10. DBM Interfaces

Apache web server: 21.4. Embedding Perl (Using Perl from C)

CGI::Apache module: 32.1.9. World Wide Web
mod_perl extension: 18.3. Executing Your Code
Perl modules for: 22.1. The CPAN modules Directory

appending

elements to arrays: 9.1.2. Growing Your Own

29.2.116. push

members to existing hash: 9.3.2. Generation of an Array of Hashes

arctangents: 29.2.4. atan2

$ARG: 28.2. Special Variables in Alphabetical Order

(see also parameters)

formal: 28.2. Special Variables in Alphabetical Order

@ARGV array: 2.11.2. Line Input (Angle) Operator

28.2. Special Variables in Alphabetical Order

ARGV filehandle: 28.2. Special Variables in Alphabetical Order

$ARGV variable: 28.2. Special Variables in Alphabetical Order

ARGVOUT filehandle: 28.2. Special Variables in Alphabetical Order

arithmetic, overloaded objects and: 13.2. Overload Handlers

arithmetic operators: 3.5. Ideographic Unary Operators

binary arithmetic operators: 1.5.1. Some Binary Arithmetic Operators
order of evaluation: 1.5.1. Some Binary Arithmetic Operators
overloading: 13.3. Overloadable Operators

arity: 3. Unary and Binary Operators

highest to lowest, listing of: 3. Unary and Binary Operators

array context (see list context)

arrayDepth option (debugger): 20.3.3. Debugger Options

arrays: 1.2.1. Variable Syntax

1.2.1.2. Pluralities

2.3. Built-in Data Types

(see also lists)

@_ arrays: 6.2. Semantics

copying values to my list: 6.2.1. Tricks with Parameter Lists

anonymous, objects implemented as: 12.7.1. Field Declarations with use fields

use fields pragma, overcoming problems with: 12.7.1. Field Declarations with use fields

anonymous, references to: 8.2.2.1. The anonymous array composer

appending elements to: 29.2.116. push

associative (see hashes)

AV (array value) typedef in C, corresponding to: 21.2. Internal Data Types

deleting elements of: 29.2.149. shift

29.2.160. splice

elements, giving temporary values to: 29.2.87. local

exists function and: 29.2.34. exists

first element of: 28.2. Special Variables in Alphabetical Order

of hashes: 9.3. Arrays of Hashes

accessing and printing: 9.3.3. Access and Printing of an Array of Hashes
generating: 9.3.2. Generation of an Array of Hashes

hashes of: 9.2. Hashes of Arrays

initializing with x operator: 3.7. Multiplicative Operators

last element of: 2.8.2. Array Length

length of: 2.8.2. Array Length

list values vs.: 2.8. List Values and Arrays

lists and: 2.8. List Values and Arrays

multidimensional: 1.2.1.3. Complexities

9.1. Arrays of Arrays

names for: 2.4. Variables

negative subscripts, counting from end of array: 24.1.5. Previous Perl Traps

nested: 9.1. Arrays of Arrays

two-dimensional arrays, creating and accessing: 9.1.1. Creating and Accessing a Two-Dimensional Array

output style, changing in debugger: 20.3.3. Debugger Options

parsing text into: 32.1.2. String Processing, Language Text Processing, Parsing, and Searching

passing by reference into or out of functions: 6.3. Passing References

performance and: 24.2.1. Time Efficiency

pop function and: 29.2.111. pop

prepending elements to: 29.2.190. unshift

processing, functions for: 29.1. Perl Functions by Category

references to: 8.1. What Is a Reference?

replacing/removing elements: 29.2.160. splice

s/// (substitution) operator and: 5.2.3.1. Modifying strings en passant

subscript separator (see $[semi] variable)

taint in: 23.1. Handling Insecure Data

tied, delete function and: 24.1.5. Previous Perl Traps

tying: 14.2. Tying Arrays

methods for: 14.2.1. Array-Tying Methods
notational convenience: 14.2.2. Notational Convenience
Tie::Array module: 32.1.14. Convenient Classes

variables of: 2.6.5. Interpolating Array Values

arrow (->) operator: 8.3.3. Using the Arrow Operator

12.3.1. Method Invocation Using the Arrow Operator
3.2. The Arrow Operator

artificial languages: 1.2. Natural and Artificial Languages

ASCII: 2.1. Atoms

converting to characters: 29.2.14. chr
converting to Unicode: 15.2. Effects of Character Semantics
values for characters: 29.2.106. ord

ASP, Perl modules for: 22.1. The CPAN modules Directory

assertions

defining your own: 5.10.4. Defining Your Own Assertions
lookaround assertions: 5.10.1. Lookaround Assertions
precedence, pattern matching: 5.9.4. The Little Engine That /Could(n't)?/

assertions (in matching)

\b and \B (word and non word boundary): 5.6.3. Boundaries: The \b and \B Assertions
positional, \z, \Z, and $ assertions: 5.6.2. Endings: The \z, \Z, and $ Assertions

assertions (in patterns): 5.1. The Regular Expression Bestiary

5.3.1. Metasymbol Tables

character classes and: 5.4.1. Custom Character Classes

\G positional assertion: 5.2.2. The m// Operator (Matching)

positional: 5.6. Positions

\A and ^ assertions (string boundary): 5.6.1. Beginnings: The \A and ^ Assertions

assigning to lists: 2.8.1. List Assignment

assignment

to conditional operator: 3.16. Conditional Operator
elements, two-dimsional arrays: 9.1.2. Growing Your Own
of tied variables: 14.1.1. Scalar-Tying Methods
tied array element: 14.2.1. Array-Tying Methods

assignment operators: 1.5.3. Assignment Operators

2.3. Built-in Data Types

3.17. Assignment Operators

overloading: 13.3. Overloadable Operators

13.4. The Copy Constructor (=)
(see also copy constructor)

precedence, Perl versions, differences in: 24.1.5. Previous Perl Traps

values, returning: 1.5.3. Assignment Operators

associative arrays (see also hashes)

29.2.22. dbmopen

3. Unary and Binary Operators
3.11. Relational Operators

astronomy, Perl modules for: 22.1. The CPAN modules Directory

async function: 17.2.1.1. Thread creation

atan function: 29.2.4. atan2

$atime file statistic: 29.2.165. stat

atoms: 5.9.4. The Little Engine That /Could(n't)?/

precedence, pattern matching: 5.9.4. The Little Engine That /Could(n't)?/

attributes: 6.5. Subroutine Attributes

12.4.2. Initializers

attributes module: 32.1.13. Perl Language Extensions and Internals

class: 29.2.99. my

class, storing state for: 12.8. Managing Class Data

files, test operators for: 1.5.7. Some File Test Operators

locked and method, using with threads: 12.7.6. New Tricks

locked, subroutines: 17.2.2.4. The locked attribute

lvalue, subroutines: 12.7.6. New Tricks

objects, hashes of: 1.2.1.3. Complexities

subclass, overriding superclass ancestor: 12.7. Managing Instance Data

subroutines: 6.5. Subroutine Attributes

names, syntax for: 6.5.1. The locked and method Attributes

variable interpolation and: 29.2.107. our

attrs module (obsolete): 32.1.13. Perl Language Extensions and Internals

audio, Perl modules for: 22.1. The CPAN modules Directory

authentication, Perl modules for: 22.1. The CPAN modules Directory

32.1.12. Authentication, Security, and Encryption

authorization, Perl modules for: 22.1. The CPAN modules Directory

autodecrement (--) operator: 1.5.4. Unary Arithmetic Operators

3.3. Autoincrement and Autodecrement
magical: 13.3. Overloadable Operators

autoflushing buffers: 28.2. Special Variables in Alphabetical Order

autogeneration, overloading: 13.3. Overloadable Operators

autoincrement and autodecrement: 13.3. Overloadable Operators
preventing: 13.5. When an Overload Handler Is Missing (nomethod and fallback)

autoincrement (++) operator: 1.5.4. Unary Arithmetic Operators

3.3. Autoincrement and Autodecrement

magical: 3.3. Autoincrement and Autodecrement

13.3. Overloadable Operators

AUTOLOAD method: 12.5.4. Method Autoloading

AUTOLOAD subroutine: 10.2. Autoloading

4.6. goto
12.5.4. Method Autoloading

AutoLoader module: 10.2. Autoloading

32.1.17. Module Installation Support

autoloading

generating accessors with: 12.7.3. Generating Accessors with Autoloading

automatic, line-end processing: 19.1.3. Switches

autosplit mode: 19.1.3. Switches

AutoSplit module: 10.2. Autoloading

32.1.17. Module Installation Support
portability of: 25.3. Files and Filesystems

autosplitting: 10.2. Autoloading

AutoTrace option (debugger): 20.3.3. Debugger Options

autouse module: 32.1.17. Module Installation Support

autouse pragma: 31.2. use autouse

autovivification: 29.2.34. exists

of filehandles: 29.2.104. open
typeglobs: 14.4.1. Filehandle-Tying Methods

AV (internal array value): 21.2. Internal Data Types

awk: 1.7. Regular Expressions

converting to/from Perl: 2.9. Hashes

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