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: Symbols & Numbers

- (hyphen)

-0 command-line option: 8.. Basic Operations

-a command-line option, writing filters: 7.14.3.2. Command-line options

-e command-line option, writing filters: 7.14.3.2. Command-line options

-> (arrow) operator: 11.. References

13.. Methods

-> (infix) notation: 11.. References

-i command-line option

modifying files with: 7.16.2. Solution

writing filters: 7.14.3.2. Command-line options

-I command-line switch: 12.8.2. Solution

-n command-line option, writing filters: 7.14.3.2. Command-line options

-p command-line option

modifying files with: 7.16.2. Solution

writing filters: 7.14.3.2. Command-line options

-t command-line option: 15.2.2. Solution

- (minus sign), modifiers and: 6.18.3. Discussion

( ) (parentheses): 1.. Introduction

autouse pragma: 12.3.3. Discussion

prototyping functions: 10.11.3.1. Omitting parentheses

substitution: 6.1.3. Discussion

* (asterisk), typeglobs: 7.5.1. Problem

@ (at sign)

@_ array: 10.1.2. Solution

@EXPORT array (use pragma): 12.1.3. Discussion

@EXPORT_OK array (use pragma): 12.1.3. Discussion

@EXPORT_TAGS array (use pragma): 12.1.3. Discussion

@INC array: 12.8.3. Discussion

references to arrays: 11.1.2. Solution

splice( ): 4.12.3. Discussion

\ (backslash)

\1, \2, . . . (backreferences): 6.16.2. Solution

` string metacharacter: 1.18.3. Discussion

\a for terminal bell: 15.7.2. Solution

creating arrays: 11.6.2. Solution

creating references: 11.. Anonymous Data

\E string metacharacter: 1.18.3. Discussion

escaping characters: 1.18.1. Problem

\G anchor: 6.14.3. Discussion

\l string escape: 1.13.2. Solution

references to arrays: 11.1.3. Discussion

references to scalars: 11.5.2. Solution

\u string escape: 1.13.2. Solution

\X metacharacter: 1.8.3. Discussion

` (backtick)

executing commands without shell escapes: 19.5.3. Discussion

expanding: 1.15.3. Discussion

gathering program output: 16.1.2. Solution

running another program: 16.2.3. Discussion

: (colon)

module names: 12.. Modules

package names: 12.. Introduction

, (comma)

in numbers: 2.16.1. Problem

printing lists with: 4.2.1. Problem

-0 command-line option: 8.. Basic Operations

{} (curly braces): 1.. Introduction

creating anonymous arrays and hashes: 11.. References

$ (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

. (dot)

. . and . . . range operators: 6.8.2. Solution

period in numbers: 2.16.1. Problem

= (equals sign)

=~ operator: 1.1.3. Discussion

=begin pod directive: 12.20.3. Discussion

=end pod directive: 12.20.3. Discussion

=> operator: 5.. Introduction

/ (forward slash)

/e substitution modifier: 1.12.3. Discussion

6.. Pattern-Matching Modifiers

/g pattern-matching modifier: 6.. Pattern-Matching Modifiers

finding Nth matches: 6.5.2. Solution

where last pattern ended: 6.14.3. Discussion

/i pattern-matching modifier: 6.. Pattern-Matching Modifiers

/m pattern-matching modifier: 6.. Pattern-Matching Modifiers

multiple lines: 6.6.2. Solution

/o pattern-matching modifier: 6.10.2. Solution

root directory: 9.. Introduction

/s pattern-matching modifier: 6.. Pattern-Matching Modifiers

multiple lines: 6.6.2. Solution

/x pattern modifier: 1.12.3. Discussion

comments in regular expressions: 6.4.3. Discussion

% (percent sign)

hashes: 5.. Introduction

%SIG hash: 16.15.2. Solution

+ (plus sign), file-access modes: 7.1.3. Discussion

# (pound sign), with printf( ): 2.15.3. Discussion

' (single quote): 1.. Introduction

escaping: 14.10.1. Problem

[] (square brackets): 1.. Introduction

creating anonymous arrays and hashes: 11.. References

~ (tilde), in filenames, expanding: 7.3.1. Problem

_ (underscore), file stat cache: 9.. Introduction

$0 variable: 7.12.3. Discussion

| (vertical bar)

||= (assignment) operator: 1.2.2. Solution

|| operator

vs. or operator: 1.2.3. Discussion

separating multiple comparisons: 4.16.3. Discussion

& (ampersand), && operator: 1.2.3. Discussion

> (right angle bracket), file-access modes: 7.. I/O Operations

7.1.3. Discussion

< (left angle bracket)

file-access modes: 7.. I/O Operations

7.1.3. Discussion

<&= and <& open modes: 7.9.2. Solution

<FH> line input operator: 7.. I/O Operations

<=> numerical comparison operator: 4.15.2. Solution

<> (angle brackets): 1.. Introduction

globbing: 9.6.2. Solution

line input operator: 7.14.2. Solution

reading strings from binary files: 8.14.2. Solution

" (double quote): 1.. Introduction

escaping: 14.10.1. Problem

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