Index: Symbols

-0 option (perl) : 3.2. Command-Line Options

\007 (octal value) sequence : 4.6.3. Escaped Sequences

& (ampersand)

AND bitwise operator : 4.5.10. Bitwise Operators

calling subroutines : 4.7.1. Calling Subroutines

in encoded URLs : 9.2. URL Encoding

prototype symbol : 4.7.5. Prototypes

&& (logical AND) operator : 4.5.9. Logical Operators

&&= (assignment) operator : 4.5.6. Assignment Operators

&= (assignment) operator : 4.5.6. Assignment Operators

<> (angle brackets) : 4.10. Formats

greater-than operator : 4.5.4.1. Relational operators

less-than operator : 4.5.4.1. Relational operators

< Perl debugger command : Chapter 6, Reference: <

<< Perl debugger command : Chapter 6, Reference: <<

<<= (assignment) operator : 4.5.6. Assignment Operators

<= (less-than-or-equal) operator : 4.5.4.1. Relational operators

<=> (comparison) operator : 4.5.4.2. Equality operators

<% %> delimiters : 20.2. Server-Side PerlScript

> Perl debugger command : Chapter 6, Reference: >

<...> line-input operator : 4.9. Filehandles

>> to open file for appending : 4.9. Filehandles

>> Perl debugger command : Chapter 6, Reference: >>

>>= (assignment) operator : 4.5.6. Assignment Operators

>= (greater-than-or-equal) operator : 4.5.4.1. Relational operators

* (asterisk)

multiplication operator : 4.5.3. Arithmetic Operators

prototype symbol (typeglob) : 4.7.5. Prototypes

regular expression metacharacter : 4.6.2. Regular Expression Syntax

** (exponentiation) operator : 4.5.3. Arithmetic Operators

**= (assignment) operator : 4.5.6. Assignment Operators

*= (assignment) operator : 4.5.6. Assignment Operators

*? regular expression quantifier : 4.6.6. Quantifiers

@ (at sign)

@_ array : 4.7.2. Passing Arguments

dereferencing with : 4.8.2. Dereferencing

format fieldholders : 4.10. Formats

prototype symbol (list) : 4.7.5. Prototypes

signifying arrays : 4.2.4.1. Arrays

\ (backslash)

creating references : 4.8.1. Creating References

in prototype declarations : 4.7.5. Prototypes

reference creation operator : 4.5.2. Unary Operators

regular expression metacharacter : 4.6.2. Regular Expression Syntax

! (bang)

CPAN.pm eval command : Chapter 2, Reference: !

logical negation operator : 4.5.2. Unary Operators

.newsrc entries : 15.3. The News::Newsrc Module

Perl debugger command : Chapter 6, Reference: !

!! Perl debugger command : Chapter 6, Reference: !!

!= (not equal to) operator : 4.5.4.2. Equality operators

!~ (pattern match) operator : 4.5.7. Pattern Match Operators

{} (braces)

delimiting statement blocks : 4.3. Statements

regular expression metacharacter : 4.6.2. Regular Expression Syntax

regular expression quantifiers : 4.6.6. Quantifiers

{ Perl debugger command : Chapter 6, Reference: {

{{ Perl debugger command : Chapter 6, Reference: {{

[] (brackets)

Perl debugger command : Chapter 6, Reference: =

regular expression metacharacter

4.6.2. Regular Expression Syntax

4.6.4. Character Classes

^ (caret)

in [...] construct : 4.6.4. Character Classes

filled field fieldholder : 4.10. Formats

grid geometry manager placeholder : 18.2.2. The grid Geometry Manager

regular expression anchor : 4.6.5. Anchors

regular expression metacharacter : 4.6.2. Regular Expression Syntax

XOR bitwise operator : 4.5.10. Bitwise Operators

^= (assignment) operator : 4.5.6. Assignment Operators

: (colon)

.newsrc entries : 15.3. The News::Newsrc Module

in package names : 7.1. Namespaces and Packages

, (comma)

number legibility without : 4.2.1. Numbers

operator : 4.5.11.3. Comma operator

$ (dollar sign)

dereferencing with : 4.8.2. Dereferencing

prototype symbol (scalar) : 4.7.5. Prototypes

regular expression anchor : 4.6.5. Anchors

regular expression metacharacter : 4.6.2. Regular Expression Syntax

signifying scalar variables : 4.2.4. Variables

$ variables

$0 variable : 4.4.1. Global Special Variables

$1, $2, $3, ...

4.4.5. Regular Expression Special Variables

4.6.7. Pattern Match Variables

$& variable : 4.4.5. Regular Expression Special Variables

$< variable : 4.4.1. Global Special Variables

$> variable : 4.4.1. Global Special Variables

$' variable : 4.4.5. Regular Expression Special Variables

$@ variable : 4.4.1. Global Special Variables

$\ variable : 4.4.1. Global Special Variables

$` variable : 4.4.5. Regular Expression Special Variables

$! variable : 4.4.1. Global Special Variables

$[ variable : 4.4.1. Global Special Variables

$] variable : 4.4.1. Global Special Variables

$^ variable : 4.4.6. Filehandle Special Variables

$^A variable : 4.4.1. Global Special Variables

$^D variable : 4.4.1. Global Special Variables

$^E variable : 4.4.1. Global Special Variables

$^F variable : 4.4.1. Global Special Variables

$^H variable : 4.4.1. Global Special Variables

$^I variable : 4.4.1. Global Special Variables

$^L variable : 4.4.1. Global Special Variables

$^M variable : 4.4.1. Global Special Variables

$^O variable : 4.4.1. Global Special Variables

$^P variable : 4.4.1. Global Special Variables

$: variable : 4.4.1. Global Special Variables

$, variable : 4.4.1. Global Special Variables

$$ variable : 4.4.1. Global Special Variables

$. variable : 4.4.1. Global Special Variables

$= variable : 4.4.6. Filehandle Special Variables

$# variable : 4.4.1. Global Special Variables

$- variable : 4.4.6. Filehandle Special Variables

$( variable : 4.4.1. Global Special Variables

$) variable : 4.4.1. Global Special Variables

$% variable : 4.4.6. Filehandle Special Variables

$+ variable : 4.4.5. Regular Expression Special Variables

$? variable : 4.4.1. Global Special Variables

$" variable : 4.4.1. Global Special Variables

$; variable : 4.4.1. Global Special Variables

$/ variable : 4.4.1. Global Special Variables

$~ variable : 4.4.6. Filehandle Special Variables

$_ ($ARG) variable : 4.4.1. Global Special Variables

$| variable : 4.4.6. Filehandle Special Variables

$^T variable : 4.4.1. Global Special Variables

$^W variable : 4.4.1. Global Special Variables

$^X variable : 4.4.1. Global Special Variables

. (dot)

concatenation operator : 4.5.11.4. String operator

Perl debugger command : Chapter 6, Reference: .

regular expression metacharacter : 4.6.2. Regular Expression Syntax

.. (range) operator : 4.5.11.1. Range operator

... (range) operator : 4.5.11.1. Range operator

.= (assignment) operator : 4.5.6. Assignment Operators

= (equal sign)

assignment operator

4.2.4. Variables

4.5.6. Assignment Operators

for embedded documentation (pod) : 4.1. Program Structure

in hash name/value pairs : 4.2.4.2. Hashes

for pod commands : 4.11. Pod

== (equal to) operator : 4.5.4.2. Equality operators

=> operator, defining key/value pairs

4.2.4.2. Hashes

4.5.11.3. Comma operator

=~ (pattern match) operator : 4.5.7. Pattern Match Operators

# (hash mark)

for comments : 4.1. Program Structure

format fieldholder : 4.10. Formats

#! (shebang) line : 3. The Perl Interpreter

- (hyphen)

arithmetic negation operator : 4.5.2. Unary Operators

grid geometry manager placeholder : 18.2.2. The grid Geometry Manager

Perl debugger command : Chapter 6, Reference: -

in [...] construct : 4.6.4. Character Classes

-> (arrow) operator

4.5.1. The Arrow Operator

7.4. Object Syntax

dereferencing with : 4.8.2.1. Arrow dereferencing

-= (assignment) operator : 4.5.6. Assignment Operators

-- (autodecrement) operator : 4.5.5. Autoincrement and Autodecrement

-- option (perl) : 3.2. Command-Line Options

() (parentheses)

around function arguments : 5. Function Reference

operator precedence and : 4.5. Operators

regular expression metacharacter : 4.6.2. Regular Expression Syntax

(?...) extended regular expression syntax : 4.6.8. Extended Regular Expressions

% (percent sign)

dereferencing with : 4.8.2. Dereferencing

modulus operator : 4.5.3. Arithmetic Operators

prototype symbol (hash) : 4.7.5. Prototypes

signifying variable type : 4.2.4.2. Hashes

%= (assignment) operator : 4.5.6. Assignment Operators

+ (plus)

1 : 4.5.5. Autoincrement and Autodecrement

regular expression metacharacter : 4.6.2. Regular Expression Syntax

unary operator : 4.5.2. Unary Operators

+= (assignment) operator : 4.5.6. Assignment Operators

+? regular expression quantifier : 4.6.6. Quantifiers

? (question mark)

regular expression metacharacter : 4.6.2. Regular Expression Syntax

?: (conditional) operator : 4.5.11.2. Conditional operator

?? regular expression quantifier : 4.6.6. Quantifiers

?...? pattern match operator : 4.6.1. Pattern-Matching Operators

?...? Perl debugger command : Chapter 6, Reference: ?pattern?

; (semicolon)

ending Perl statements : 4.1. Program Structure

in prototype declarations : 4.7.5. Prototypes

/ (slash)

division operator : 4.5.3. Arithmetic Operators

encoding in URLs : 9.2. URL Encoding

/= (assignment) operator : 4.5.6. Assignment Operators

/.../ pattern match operator : 4.6. Regular Expressions

/.../ Perl debugger command : Chapter 6, Reference: /pattern/

~ (tilde)

bitwise negation operator : 4.5.2. Unary Operators

suppressing output whitespace : 4.10. Formats

~~ to print strings in fields : 4.10. Formats

_ (underscore)

filehandle : 4.4.3. Global Special Filehandles

improving number legibility : 4.2.1. Numbers

| (vertical bar)

format fieldholders : 4.10. Formats

OR bitwise operator : 4.5.10. Bitwise Operators

Perl debugger command : Chapter 6, Reference: |

regular expression metacharacter : 4.6.2. Regular Expression Syntax

|= (assignment) operator : 4.5.6. Assignment Operators

|| (logical OR) operator : 4.5.9. Logical Operators

|| Perl debugger command : Chapter 6, Reference: ||

||= (assignment) operator : 4.5.6. Assignment Operators

Copyright © 2001 O'Reilly & Associates. All rights reserved.