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Index: Symbols and Numbers

-0 option (perl)
Perl Cookbook, 8.0. Introduction
Perl in a Nutshell, 3.2. Command-Line Options
Programming Perl, 6.1.2. Switches
"0 but not true"
Perl Cookbook, 10.10. Returning Failure
Perl Cookbook, 17.2. Writing a TCP Server
\007 (octal value) sequence : Perl in a Nutshell, 4.6.3. Escaped Sequences
0666, as permission : Learning Perl, 13.5. Modifying Permissions
"1 while" : Perl Cookbook, 1.7. Expanding and Compressing Tabs
\1, \2, ... in regular expressions
Learning Perl, 7.3.2.3. Parentheses as memory
Learning Perl, 7.4.5. Special Read-Only Variables
Learning Perl on Win32 Systems, 7.3.2.3. Parentheses as memory
Learning Perl on Win32 Systems, 7.4.5. Special Read-Only Variables
Perl in a Nutshell, 4.6.7. Pattern Match Variables
"500 Server Error", fixing : Perl Cookbook, 19.3. Fixing a 500 Server Error
8.3 filename format : Learning Perl on Win32 Systems, 10.3. Using Pathnames and Filenames
& (ampersand) : Programming Perl, 2.5.10. Named Unary and File Test Operators
address-of operator (in C) : Programming Perl, 2.5.21. C Operators Missing from Perl
bitwise AND operator
Perl in a Nutshell, 4.5.10. Bitwise Operators
Programming Perl, 2.5.13. Bitwise Operators
calling subroutines : Perl in a Nutshell, 4.7.1. Calling Subroutines
in encoded URLs : Perl in a Nutshell, 9.2. URL Encoding
in filenames : Programming Perl, 3.2.102. open
prototype character
Perl in a Nutshell, 4.7.5. Prototypes
Programming Perl, 2.7.3. Prototypes
query strings and : Learning Perl, 19.2. Your CGI Program in Context
for subroutine names
Programming Perl, 2.3.1. Variables
Programming Perl, 2.7. Subroutines
&& (logical AND) operator
Perl Cookbook, 1.2. Establishing a Default Value
Learning Perl, 9.6. && and || as Control Structures
Perl in a Nutshell, 4.5.9. Logical Operators
Programming Perl, 2.5.14. C-style Logical (Short Circuit) Operators
&&= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
&= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
< > (angle brackets)
< access mode : Perl Cookbook, 7.0. Introduction
< (filename globbing) operator
Learning Perl, 12.2. Globbing
Programming Perl, 2.3.7.3. Filename globbing operator
Programming Perl, 3.2.102. open
< (format field character)
Learning Perl, 11.4.1. Text Fields
Perl in a Nutshell, 4.10. Formats
< for left justification
Learning Perl, 2.4.2. Operators for Strings
Programming Perl, 2.8.1. Format Variables
< (less than) operator
Learning Perl on Win32 Systems, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators
Programming Perl, 2.5.11. Relational Operators
< (line input) operator : Programming Perl, 2.3.7.2. Line input (angle) operator
< Perl debugger command
Perl in a Nutshell, Chapter 6, Reference: <
Programming Perl, 8.1.1. Debugger Commands
<< for here documents : Programming Perl, 2.3.2.6. "Here" documents
<< (left-shift) operator : Programming Perl, 2.5.9. Shift Operators
<< Perl debugger command : Perl in a Nutshell, Chapter 6, Reference: <<
<<= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
<> (angle, diamond, line-input) operator
Advanced Perl Programming, 3.1.2.1. When would you ever need to use local?
Perl Cookbook, 7.0. Introduction
Perl Cookbook, 7.7. Writing a Filter
Perl Cookbook, 8.0. Introduction
Perl Cookbook, 9.6. Globbing, or Getting a List of Filenames Matching a Pattern
Perl Cookbook, 17.0. Introduction
Learning Perl, 6.2. Input from the Diamond Operator
Learning Perl on Win32 Systems, 17.5. Variable-Length (Text) Databases
Perl in a Nutshell, 4.9. Filehandles
Programming Perl, 7.2.35.3. Non-option callback routine
examples of
Learning Perl, A.7. Chapter 8, Functions
Learning Perl, A.9. Chapter 10, Filehandles and File Tests
Learning Perl, A.14. Chapter 15, Other Data Transformation
Learning Perl, A.16. Chapter 17, User Database Manipulation
Learning Perl on Win32 Systems, A.7. Chapter 8, Functions
Learning Perl on Win32 Systems, A.9. Chapter 10, Filehandles and File Tests
Learning Perl on Win32 Systems, A.14. Chapter 15, Other Data Transformation
Learning Perl on Win32 Systems, A.16. Chapter 17, Database Manipulation
Learning Perl on Win32 Systems, 7.2. Simple Uses of Regular Expressions
<&= and <& open modes : Perl Cookbook, 7.19. Opening and Closing File Descriptors by Number
<= (less than or equal) operator
Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators
Programming Perl, 2.5.11. Relational Operators
<=> (comparison, spaceship) operator
Perl Cookbook, 4.14. Sorting an Array Numerically
Learning Perl, 15.4. Advanced Sorting
Perl in a Nutshell, 4.5.4.2. Equality operators
Programming Perl, 2.5.12. Equality Operators
Programming Perl, 3.2.153. sort
examples of : Learning Perl, A.16. Chapter 17, User Database Manipulation
<% %> delimiters : Perl in a Nutshell, 20.2. Server-Side PerlScript
<FH> operator : Programming Perl, 8.2.2. Frequently Ignored Advice
> access mode : Perl Cookbook, 7.0. Introduction
> (filename globbing) operator
Learning Perl, 12.2. Globbing
Programming Perl, 2.3.7.3. Filename globbing operator
Programming Perl, 3.2.102. open
> (format field character)
Learning Perl, 11.4.1. Text Fields
Perl in a Nutshell, 4.10. Formats
> (greater than) operator
Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators
Programming Perl, 2.5.11. Relational Operators
> (line input) operator : Programming Perl, 2.3.7.2. Line input (angle) operator
> (Perl debugger) command
Perl in a Nutshell, Chapter 6, Reference: >
Programming Perl, 8.1.1. Debugger Commands
> (for right justification) : Programming Perl, 2.8.1. Format Variables
>&, in open()
Perl Cookbook, 7.19. Opening and Closing File Descriptors by Number
Learning Perl, 14.5. Summary of Process Operations
>> access mode : Perl Cookbook, 7.0. Introduction
>> to open file for appending : Perl in a Nutshell, 4.9. Filehandles
>> Perl debugger command : Perl in a Nutshell, Chapter 6, Reference: >>
>> (right-shift) operator : Programming Perl, 2.5.9. Shift Operators
>>= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
>= (greater than or equal) operator
Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.1. Relational operators
Programming Perl, 2.5.11. Relational Operators
* (asterisk) : Programming Perl, 2.5.10. Named Unary and File Test Operators
dereference operator (in C) : Programming Perl, 2.5.21. C Operators Missing from Perl
multiplication operator
Perl in a Nutshell, 4.5.3. Arithmetic Operators
Programming Perl, 2.5.7. Multiplicative Operators
in pack format string : Learning Perl, 16.2. Packing and Unpacking Binary Data
as prefix : Learning Perl, D.7. Symbol Table Manipulation with *FRED
prototype character
Perl in a Nutshell, 4.7.5. Prototypes
Programming Perl, 2.7.3. Prototypes
quantifier
Programming Perl, 1.7.1. Quantifiers
Programming Perl, 2.4.1.2. The rules of regular expression matching
regular expression metacharacter
Learning Perl, 7.3.2.2. Multipliers
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
to store filehandles
Perl Cookbook, 7.0. Introduction
Perl Cookbook, 7.16. Storing Filehandles in Variables
for typeglob names
Programming Perl, 2.3.6. Typeglobs and Filehandles
Programming Perl, 2.7.1. Passing Symbol Table Entries (Typeglobs)
** (exponentiation) operator
Learning Perl, 2.4.1. Operators for Numbers
Perl in a Nutshell, 4.5.3. Arithmetic Operators
Programming Perl, 2.5.4. Exponentiation
Programming Perl, 8.2.3. Awk Traps
**= operator
Learning Perl, 2.6.1. Binary Assignment Operators
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
*= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
*? regular expression quantifier : Perl in a Nutshell, 4.6.6. Quantifiers
@ (at sign) : Programming Perl, 8.2.7. Previous Perl Traps
array name prefix
Learning Perl, 1.5.5. More than One Secret Word
Learning Perl on Win32 Systems, 1.6.5. More than One Secret Word
Perl in a Nutshell, 4.2.4.1. Arrays
Programming Perl, 2.3.1. Variables
in debugger : Programming Perl, 8.1.2. Using the Debugger
dereferencing with
Advanced Perl Programming, 1.1.4. References to Arrays
Perl in a Nutshell, 4.8.2. Dereferencing
format field delimiter
Learning Perl, 11.4.1. Text Fields
Perl in a Nutshell, 4.10. Formats
in picture lines : Programming Perl, 2.8. Formats
prefix for array variables : Learning Perl, 3.3. Variables
prototype character
Perl in a Nutshell, 4.7.5. Prototypes
Programming Perl, 2.7.3. Prototypes
@*, in formats : Learning Perl, 11.4.3. Multiline Fields
@_ array
Perl Cookbook, 10.1. Accessing Subroutine Arguments
Learning Perl, 1.5.9. Making It a Bit More Modular
Learning Perl, 8.4. Arguments
Learning Perl on Win32 Systems, 1.6.9. Making It a Bit More Modular
Learning Perl on Win32 Systems, 8.4. Arguments
Perl in a Nutshell, 4.7.2. Passing Arguments
Programming Perl, 2.7. Subroutines
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
Programming Perl, 8.1.7. Debugger Bugs
` (backquote)
Learning Perl, 1.5.12. Warning Someone When Things Go Astray
Programming Perl, 6.2.2.1. Anonymous pipes
as command invocation : Learning Perl, 14.2. Using Backquotes
emulating : Programming Perl, 6.3.1.2. Cleaning up your path
example of : Learning Perl, A.13. Chapter 14, Process Management
expanding : Perl Cookbook, 1.10. Interpolating Functions and Expressions Within Strings
operator
Perl Cookbook, 16.1. Gathering Output from a Program
Perl Cookbook, 19.6. Executing Commands Without Shell Escapes
Programming Perl, 2.3.7.1. Command input (backtick) operator
Programming Perl, 8.2.6. Shell Traps
Programming Perl, 8.4. Programming with Style
qx() : Perl Cookbook, 4.1. Specifying a List In Your Program
\ (backslash)
Learning Perl, 2.3.2. Double-Quoted Strings
Learning Perl on Win32 Systems, 10.3. Using Pathnames and Filenames
escapes
Perl Cookbook, 1.13. Escaping Characters
Learning Perl, 2.3.1. Single-Quoted Strings
Learning Perl on Win32 Systems, 2.3.2. Double-Quoted Strings
Programming Perl, 2.4.1.1. The regular expression bestiary
for multiline commands : Programming Perl, 8.1.2. Using the Debugger
operator
Perl Cookbook, 10.5. Passing Arrays and Hashes by Reference
Perl Cookbook, 11.5. Taking References to Scalars
in prototype declarations : Perl in a Nutshell, 4.7.5. Prototypes
quotemeta function for : Programming Perl, 3.2.114. quotemeta
reference creation operator
Perl in a Nutshell, 4.5.2. Unary Operators
Perl in a Nutshell, 4.8.1. Creating References
Programming Perl, 2.5.5. Ideographic Unary Operators
Programming Perl, 4.2.1. The Backslash Operator
in regular expressions
Learning Perl, 7.3.1. Single-Character Patterns
Learning Perl, 7.3.3. Anchoring Patterns
Learning Perl on Win32 Systems, 7.3.1. Single-Character Patterns
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
as memory access : Learning Perl, 7.3.2.3. Parentheses as memory
static allocation : Advanced Perl Programming, 1.1. Referring to Existing Variables
in system() argument : Learning Perl, 14.1. Using system and exec
\1, \2, ... pattern match variables
Learning Perl, 7.3.2.3. Parentheses as memory
Learning Perl, 7.4.5. Special Read-Only Variables
Learning Perl on Win32 Systems, 7.3.2.3. Parentheses as memory
Learning Perl on Win32 Systems, 7.4.5. Special Read-Only Variables
Perl in a Nutshell, 4.6.7. Pattern Match Variables
\@ reference notation : Learning Perl, 19.7.1. References
! (bang)
for argument specifiers : Programming Perl, 7.2.35. Getopt::Long - Extended Processing of Command-Line Options
CPAN.pm eval command : Perl in a Nutshell, Chapter 2, Reference: !
example of : Learning Perl, A.13. Chapter 14, Process Management
in import list : Programming Perl, 7.2.15.1. Specialized import lists
logical negation operator
Learning Perl, 1.5.9. Making It a Bit More Modular
Learning Perl on Win32 Systems, 1.6.9. Making It a Bit More Modular
Perl in a Nutshell, 4.5.2. Unary Operators
Programming Perl, 2.5.5. Ideographic Unary Operators
.newsrc entries : Perl in a Nutshell, 15.3. The News::Newsrc Module
Perl debugger command
Perl in a Nutshell, Chapter 6, Reference: !
Programming Perl, 8.1.1. Debugger Commands
!! debugger command
Perl in a Nutshell, Chapter 6, Reference: !!
Programming Perl, 8.1.1. Debugger Commands
!= (not equal to) operator
Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.2. Equality operators
Programming Perl, 2.5.12. Equality Operators
Programming Perl, 8.2.1. Universal Blunders
!~ (binding) operator : Programming Perl, 2.5.6. Binding Operators
!~ (pattern match) operator : Perl in a Nutshell, 4.5.7. Pattern Match Operators
{} (braces)
Advanced Perl Programming, 1.2.3. References to Anonymous Storage
Advanced Perl Programming, 1.2.5. A More General Rule
Programming Perl, 4.5. Braces, Brackets, and Quoting
Programming Perl, 8.2.1. Universal Blunders
Programming Perl, 8.4. Programming with Style
anonymous hashes : Advanced Perl Programming, 1.2.3. References to Anonymous Storage
in awk : Programming Perl, 8.2.3. Awk Traps
in double-quoted strings : Learning Perl, 2.6.4. Interpolation of Scalars into Strings
hash composer : Programming Perl, 4.2.3. The Anonymous Hash Composer
identifiers in : Programming Perl, 2.3.2.2. String literals
quantifier
Programming Perl, 1.7.1. Quantifiers
Programming Perl, 2.4.1.2. The rules of regular expression matching
in regular expressions
Learning Perl, 7.3.2.2. Multipliers
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
Perl in a Nutshell, 4.6.6. Quantifiers
required in if statements : Learning Perl, 4.2. The if/unless Statement
statement blocks
Perl in a Nutshell, 4.3. Statements
Programming Perl, 2.6.2. Compound Statements
{ Perl debugger command : Perl in a Nutshell, Chapter 6, Reference: {
{{ Perl debugger command : Perl in a Nutshell, Chapter 6, Reference: {{
[] (brackets)
anonymous arrays : Advanced Perl Programming, 1.2.3. References to Anonymous Storage
array composer : Programming Perl, 4.2.2. The Anonymous Array Composer
Perl debugger command : Perl in a Nutshell, Chapter 6, Reference: =
reference notation : Learning Perl, 19.7.1. References
regular expression metacharacter
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
Perl in a Nutshell, 4.6.4. Character Classes
Programming Perl, 2.4.1.2. The rules of regular expression matching
[ (left bracket) in double-quoted strings : Learning Perl, 3.7. Variable Interpolation of Arrays
^ (caret)
in [...] construct : Perl in a Nutshell, 4.6.4. Character Classes
anchor in regular expressions
Learning Perl, 7.3.1. Single-Character Patterns
Learning Perl, 7.3.3. Anchoring Patterns
Learning Perl on Win32 Systems, 7.3.3. Anchoring Patterns
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
Perl in a Nutshell, 4.6.5. Anchors
assertion : Programming Perl, 1.7.1. Quantifiers
bitwise XOR operator
Perl in a Nutshell, 4.5.10. Bitwise Operators
Programming Perl, 2.5.13. Bitwise Operators
Programming Perl, 2.5.20. Logical and, or, not, and xor
Programming Perl, 8.2.3. Awk Traps
Programming Perl, 8.4. Programming with Style
filled field fieldholder
Learning Perl, 11.4.4. Filled Fields
Perl in a Nutshell, 4.10. Formats
grid geometry manager placeholder : Perl in a Nutshell, 18.2.2. The grid Geometry Manager
line boundary
Programming Perl, 1.7.3. Nailing Things Down
Programming Perl, 2.4.1.2. The rules of regular expression matching
Programming Perl, 2.4.1.3. The fine print
matching : Programming Perl, 2.4.1.2. The rules of regular expression matching
in picture lines : Programming Perl, 2.8. Formats
^= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
: (colon)
in import list : Programming Perl, 7.2.15.1. Specialized import lists
label suffix : Learning Perl on Win32 Systems, 9.4. Labeled Blocks
matching with split() : Learning Perl on Win32 Systems, 7.6.1. The split Function
.newsrc entries : Perl in a Nutshell, 15.3. The News::Newsrc Module
in package names : Perl in a Nutshell, 7.1. Namespaces and Packages
:: for package identifiers
Advanced Perl Programming, 6.6. Nesting Packages
Programming Perl, 5.1. Packages
Programming Perl, 8.2.7. Previous Perl Traps
for instance methods : Advanced Perl Programming, 7.2.4. The Need for Polymorphism
, (comma)
(see also CSV)
Programming Perl, 8.2.1. Universal Blunders
array literal character : Learning Perl on Win32 Systems, 3.2. Literal Representation
delimiting list values
Perl Cookbook, 4.2. Printing a List with Commas
Programming Perl, 2.3.4. List Values and Arrays
key/value pairs and : Programming Perl, 2.3.5. Hashes (Associative Arrays)
large numbers and : Programming Perl, 2.3.2.1. Numeric literals
number legibility without : Perl in a Nutshell, 4.2.1. Numbers
operator
(see also = (equal sign), => operator)
Learning Perl on Win32 Systems, D.4. Other Operators
Perl in a Nutshell, 4.5.11.3. Comma operator
Programming Perl, 2.5.18. Comma Operators
Programming Perl, 8.2.3. Awk Traps
$ (dollar sign)
in debugger : Programming Perl, 8.1.2. Using the Debugger
dereferencing scalars
Advanced Perl Programming, 1.1.3. References to Scalars
Perl in a Nutshell, 4.8.2. Dereferencing
line boundary
Programming Perl, 2.4.1.2. The rules of regular expression matching
Programming Perl, 2.4.1.3. The fine print
prototype character
Perl in a Nutshell, 4.7.5. Prototypes
Programming Perl, 2.7.3. Prototypes
regular expression anchor
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
Perl in a Nutshell, 4.6.5. Anchors
removing significance in strings : Learning Perl, 2.6.4. Interpolation of Scalars into Strings
scalar variable names
Learning Perl, 2.5. Scalar Variables
Perl in a Nutshell, 4.2.4. Variables
Programming Perl, 2.3.1. Variables
word boundary : Programming Perl, 1.7.3. Nailing Things Down
$ variables
$0 ($PROGRAM_NAME)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$1, $2, $3... : (see backreferences)
$& ($MATCH)
Learning Perl, 7.4.5. Special Read-Only Variables
Perl in a Nutshell, 4.4.5. Regular Expression Special Variables
Programming Perl, 2.4.1.3. The fine print
Programming Perl, 2.9.1. Regular Expression Special Variables
Programming Perl, 6.4.2.2. a2p
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
Programming Perl, 8.3.1. Time Efficiency
$< ($REAL_USER_ID)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$> ($EFFECTIVE_USER_ID)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$' ($POSTMATCH)
Perl Cookbook, 6.0. Introduction
Learning Perl, 7.4.5. Special Read-Only Variables
Perl in a Nutshell, 4.4.5. Regular Expression Special Variables
Programming Perl, 2.4.1.3. The fine print
Programming Perl, 2.9.1. Regular Expression Special Variables
Programming Perl, 6.4.2.2. a2p
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
Programming Perl, 8.3.1. Time Efficiency
$* ($MULTILINE_MATCHING) : Programming Perl, 2.9.1. Regular Expression Special Variables
$@ ($EVAL_ERROR)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$` ($PREMATCH)
Perl Cookbook, 6.0. Introduction
Learning Perl, 7.4.5. Special Read-Only Variables
Perl in a Nutshell, 4.4.5. Regular Expression Special Variables
Programming Perl, 2.4.1.3. The fine print
Programming Perl, 2.9.1. Regular Expression Special Variables
Programming Perl, 6.4.2.2. a2p
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
Programming Perl, 8.3.1. Time Efficiency
$\ ($OUTPUT_RECORD_SEPARATOR)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 6.1.2. Switches
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$! ($OS_ERROR)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$[
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
$] ($PERL_VERSION)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^ ($FORMAT_TOP_NAME)
Learning Perl, 11.6.3. Changing the Top-of-Page Format Name
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
Programming Perl, 8.2.1. Universal Blunders
$^A ($ACCUMULATOR)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.8.3. Accessing Formatting Internals
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
formline function : Programming Perl, 3.2.42. formline
$^D ($DEBUGGING)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 6.1.2. Switches
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^E variable : Perl in a Nutshell, 4.4.1. Global Special Variables
$^F ($SYSTEM_FD_MAX)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^H
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
$^I ($INPLACE_EDIT)
Learning Perl, 17.5. Variable-Length (Text) Databases
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^L ($FORMAT_FORMFEED, $FORMAT_LINEFEED)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^M variable : Perl in a Nutshell, 4.4.1. Global Special Variables
$^O ($OSNAME)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^P ($PERLDB)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^T ($BASETIME)
Learning Perl, 10.5. The -x File Tests
Learning Perl on Win32 Systems, 10.6. The -x File Tests
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.5.10. Named Unary and File Test Operators
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^W ($WARNING)
Perl Cookbook, 13.5. Using Classes as Structs
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$^X ($EXECUTABLE_NAME)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$: ($FORMAT_LINE_BREAK _CHARACTERS)
Learning Perl, 11.4.4. Filled Fields
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$, ($LIST_SEPARATOR, $OUTPUT_FIELD_SEPARATOR)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$$ ($PROCESS_ID)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$. ($INPUT_LINE_NUMBER)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
resetting with close function : Programming Perl, 3.2.18. close
$= ($FORMAT_LINES_PER_PAGE)
Learning Perl, 11.6.5. Changing the Position on the Page
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$# ($OFMT)
Learning Perl, 3.4.2. Array Element Access
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.3.4. List Values and Arrays
Programming Perl, 2.9.3. Global Special Variables
$- ($FORMAT_LINES_LEFT)
Learning Perl, 11.6.5. Changing the Position on the Page
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
interaction with $= variable : Learning Perl, 11.6.5. Changing the Position on the Page
$( ($REAL_GROUP_ID)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$) ($EFFECTIVE_GROUP_ID)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$% ($FORMAT_PAGE_NUMBER)
Learning Perl, 1.5.14. Listing the Secret Words
Learning Perl on Win32 Systems, 1.6.14. Listing the Secret Words
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$+ ($LAST_PAREN_MATCH)
Perl Cookbook, 6.0. Introduction
Perl in a Nutshell, 4.4.5. Regular Expression Special Variables
Programming Perl, 2.4.1.3. The fine print
Programming Perl, 2.9.1. Regular Expression Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$? ($CHILD_ERROR)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
backtick operator and : Programming Perl, 2.3.7.1. Command input (backtick) operator
close function and : Programming Perl, 3.2.18. close
$" ($LIST_SEPARATOR)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$; ($SUBSCRIPT_SEPARATOR)
Perl Cookbook, 9.4. Recognizing Two Names for the Same File
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$/ ($INPUT_RECORD_SEPARATOR)
Perl Cookbook, 8.0. Introduction
Learning Perl, 6.1. Input from STDIN
Learning Perl, 14.2. Using Backquotes
Learning Perl on Win32 Systems, 6.1. Input from STDIN
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 6.1.2. Switches
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$~ ($FORMAT_NAME)
Learning Perl, 11.6.2. Changing the Format Name
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$_ ($ARG)
Perl in a Nutshell, 4.4.1. Global Special Variables
Programming Perl, 2.4.1.3. The fine print
Programming Perl, 2.9.3. Global Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
accidental clobbering : Perl Cookbook, 4.4. Doing Something with Every Element in a List
angle operator and : Programming Perl, 2.3.7.2. Line input (angle) operator
file tests default : Learning Perl on Win32 Systems, 10.6. The -x File Tests
forearch statement and
Learning Perl, 4.5. The foreach Statement
Learning Perl on Win32 Systems, 4.6. The foreach Statement
Programming Perl, 2.6.4.3. Foreach loops
glob() : Programming Perl, 2.3.7.3. Filename globbing operator
grep() : Programming Perl, 3.2.72. grep
implicit assignment to when reading : Learning Perl, 6.1. Input from STDIN
map() : Programming Perl, 3.2.91. map
outlawing unauthorized use
Perl Cookbook, 1.18. Program: psgrep
Perl Cookbook, 13.15. Creating Magic Variables with tie
regular expression matching default : Learning Perl on Win32 Systems, 7.2. Simple Uses of Regular Expressions
selecting other than with =~ operator : Learning Perl, 7.4.1. Selecting a Different Target (the =~ Operator)
split() default : Learning Perl on Win32 Systems, 7.6.1. The split Function
stat(), lstat() : Learning Perl on Win32 Systems, 10.7. The stat Function
tr() default target : Learning Perl on Win32 Systems, 15.5. Transliteration
unlink() default : Learning Perl on Win32 Systems, 13.1. Removing a File
$_[0] : Learning Perl, 8.4. Arguments
$| ($OUTPUT_AUTOFLUSH)
Perl Cookbook, 7.0. Introduction
Perl Cookbook, 7.12. Flushing Output
Perl in a Nutshell, 4.4.6. Filehandle Special Variables
Programming Perl, 2.8.1. Format Variables
Programming Perl, 2.9.2. Per-Filehandle Special Variables
Programming Perl, 7.2.13. English - Use English or awk Names for Punctuation Variables
$a, $b, ..., sorting with : Learning Perl, 15.4. Advanced Sorting
. (dot) : Programming Perl, 2.5.10. Named Unary and File Test Operators
concatenation operator
Perl in a Nutshell, 4.5.11.4. String operator
Programming Perl, 1.5.2. String Operators
Programming Perl, 2.5.8. Additive Operators
Programming Perl, 8.3.1. Time Efficiency
example of : Learning Perl, A.7. Chapter 8, Functions
in numbers : Perl Cookbook, 2.17. Putting Commas in Numbers
Perl debugger command
Perl in a Nutshell, Chapter 6, Reference: .
Programming Perl, 8.1.1. Debugger Commands
regular expression metacharacter
Learning Perl, 7.3.1. Single-Character Patterns
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
Programming Perl, 1.7. Regular Expressions
Programming Perl, 2.4.1.2. The rules of regular expression matching
Programming Perl, 2.4.1.3. The fine print
self-name for directory
Learning Perl, A.11. Chapter 12, Directory Access
Learning Perl, 13.3.1. About Hard and Soft Links
.. (range) operator
Perl Cookbook, 6.8. Extracting a Range of Lines
Perl in a Nutshell, 4.5.11.1. Range operator
Programming Perl, 2.5.15. Range Operator
.. for parent directory : Learning Perl, 13.3.1. About Hard and Soft Links
.. list construction operator : Learning Perl, 3.2. Literal Representation
... (range) operator
Perl Cookbook, 6.8. Extracting a Range of Lines
Perl in a Nutshell, 4.5.11.1. Range operator
.= (assignment) operator
Learning Perl, 2.6.1. Binary Assignment Operators
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
" (double quotation marks)
Advanced Perl Programming, 5.3. Watch Your Quotes
Programming Perl, 2.3.2.2. String literals
Programming Perl, 2.4.1.1. The regular expression bestiary
in formline arguments : Programming Perl, 3.2.42. formline
= (equal sign)
array assignment operator : Learning Perl on Win32 Systems, 3.4.1. Assignment
assignment operator
Learning Perl on Win32 Systems, 2.6. Scalar Operators and Functions
Perl in a Nutshell, 4.2.4. Variables
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 1.5.3. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
copy constructor : Programming Perl, 7.2.48.6. Copy constructor
debugger command : Programming Perl, 8.1.1. Debugger Commands
for embedded documentation (pod)
Perl in a Nutshell, 4.1. Program Structure
Perl in a Nutshell, 4.11. Pod
in hash name/value pairs : Perl in a Nutshell, 4.2.4.2. Hashes
=> (corresponds to) operator
Perl Cookbook, 5.0. Introduction
Learning Perl, 19.7.2. Fancier Calling Sequences
Perl in a Nutshell, 4.2.4.2. Hashes
Perl in a Nutshell, 4.5.11.3. Comma operator
Programming Perl, 2.5.18. Comma Operators
with key/value pairs : Programming Perl, 2.3.5. Hashes (Associative Arrays)
with named parameters : Programming Perl, 2.3.5. Hashes (Associative Arrays)
=> operator (CGI) : Learning Perl on Win32 Systems, 18.4.5. Fancier Calling Sequences
== (equal to) operator
Learning Perl, 2.4.2. Operators for Strings
Perl in a Nutshell, 4.5.4.2. Equality operators
Programming Perl, 2.5.12. Equality Operators
Programming Perl, 8.2.1. Universal Blunders
=~ (binding) operator
Perl Cookbook, 1.1. Accessing Substrings
Learning Perl, 7.4.1. Selecting a Different Target (the =~ Operator)
Perl in a Nutshell, 4.5.7. Pattern Match Operators
Programming Perl, 2.5.6. Binding Operators
Programming Perl, 8.2.3. Awk Traps
examples of
Learning Perl, 1.5.8. Making It Fair for the Rest
Learning Perl on Win32 Systems, 1.6.8. Making It Fair for the Rest
substitution and : Learning Perl, 7.5. Substitutions
tr operator and : Learning Perl, 15.5. Transliteration
> (greater than sign) : (see < > (angle brackets))
# (hash mark)
for comments : Perl in a Nutshell, 4.1. Program Structure
format fieldholder : Perl in a Nutshell, 4.10. Formats
#! (shebang) line
Learning Perl, 1.4. Basic Concepts
Perl in a Nutshell, 3. The Perl Interpreter
- (hyphen)
Programming Perl, 2.4.1.2. The rules of regular expression matching
Programming Perl, 2.5.10. Named Unary and File Test Operators
in [...] construct : Perl in a Nutshell, 4.6.4. Character Classes
arithmetic negation operator
Perl in a Nutshell, 4.5.2. Unary Operators
Programming Perl, 2.5.5. Ideographic Unary Operators
grid geometry manager placeholder : Perl in a Nutshell, 18.2.2. The grid Geometry Manager
Perl debugger command
Perl in a Nutshell, Chapter 6, Reference: -
Programming Perl, 8.1.1. Debugger Commands
in regular expression ranges : Learning Perl, 7.3.1. Single-Character Patterns
subtractive operator : Programming Perl, 2.5.8. Additive Operators
-> (arrow) operator
Advanced Perl Programming, 1.1.7. Shortcuts with the Arrow Notation
Advanced Perl Programming, 1.3.2. Final Shortcut: Omit Arrows Between Subscripts
Perl Cookbook, 11.0. Introduction
Perl Cookbook, 13.0. Introduction
Perl in a Nutshell, 4.5.1. The Arrow Operator
Perl in a Nutshell, 7.4. Object Syntax
Programming Perl, 2.5.2. The Arrow Operator
Programming Perl, 4.3.3. Using the Arrow Operator
Programming Perl, 5.3.6. Method Invocation
Programming Perl, 5.5.1. Object-Oriented Scaling Tips
dereferencing with : Perl in a Nutshell, 4.8.2.1. Arrow dereferencing
indirect notation versus : Advanced Perl Programming, 7.2.5.1. Detour: The indirect notation
for instance methods : Advanced Perl Programming, 7.2.4. The Need for Polymorphism
-*- for Emacs : Programming Perl, 6.1.1. Command Processing
-= (assignment) operator
Learning Perl, 11.4.2. Numeric Fields
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
-- (autodecrement) operator
Learning Perl, 2.6.2. Autoincrement and Autodecrement
Perl in a Nutshell, 4.5.5. Autoincrement and Autodecrement
Programming Perl, 1.5.4. Autoincrement and Autodecrement Operators
Programming Perl, 2.5.3. Autoincrement and Autodecrement
Programming Perl, 7.2.48.3. Overloadable operations
-- switch, Perl
Perl in a Nutshell, 3.2. Command-Line Options
Programming Perl, 6.1.2. Switches
-| piping pseudo-command : Programming Perl, 6.2.2.2. Talking to yourself
< (left angle bracket) : (see < > (angle brackets))
() (parentheses)
anonymous arrays : Advanced Perl Programming, 1.2.3. References to Anonymous Storage
around function arguments : Perl in a Nutshell, 5. Function Reference
array literals and : Learning Perl on Win32 Systems, 3.2. Literal Representation
chdir() and : Learning Perl on Win32 Systems, 12.1. Moving Around the Directory Tree
forcing array context with : Learning Perl on Win32 Systems, 3.4.1. Assignment
in functions : Programming Perl, 3. Functions
grouping operator : Programming Perl, 2.4.1.2. The rules of regular expression matching
keys() and : Learning Perl on Win32 Systems, 5.4.1. The keys Function
for list values : Programming Perl, 2.3.4. List Values and Arrays
operator precedence and : Perl in a Nutshell, 4.5. Operators
print() and : Learning Perl on Win32 Systems, 6.3.1. Using print for Normal Output
in regular expressions
(see also backreferences)
Learning Perl on Win32 Systems, 7.3.4. Precedence
Learning Perl on Win32 Systems, 7.3.2.3. Parentheses as memory
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
Programming Perl, 1.7.4. Backreferences
Programming Perl, 2.4.1.1. The regular expression bestiary
Programming Perl, 2.5. Operators
Programming Perl, 2.5.1. Terms and List Operators (Leftward)
Programming Perl, 8.4. Programming with Style
values() and : Learning Perl on Win32 Systems, 5.4.2. The values Function
(?!) assertion : Programming Perl, 2.4.1.4. Regular expression extensions
(?!...) assertion : Programming Perl, 2.4.1.2. The rules of regular expression matching
(?:) for grouping : Programming Perl, 2.4.1.4. Regular expression extensions
(?...) assertion
Perl in a Nutshell, 4.6.8. Extended Regular Expressions
Programming Perl, 2.4.1.2. The rules of regular expression matching
(?=) assertion : Programming Perl, 2.4.1.4. Regular expression extensions
(?#) for comments : Programming Perl, 2.4.1.4. Regular expression extensions
(?i) modifier : Programming Perl, 2.4.1.4. Regular expression extensions
% (percent sign) : Programming Perl, 2.5.10. Named Unary and File Test Operators
associative array prefix
Learning Perl, 1.5.6. Giving Each Person a Different Secret Word
Learning Perl, 5.2. Hash Variables
Learning Perl on Win32 Systems, 1.6.6. Giving Each Person a Different Secret Word
Learning Perl on Win32 Systems, 5.2. Hash Variables
for checksums : Programming Perl, 3.2.182. unpack
dereferencing with
Advanced Perl Programming, 1.1.5. References to Hashes
Perl in a Nutshell, 4.8.2. Dereferencing
for hash names
Perl Cookbook, 5.0. Introduction
Programming Perl, 2.3.1. Variables
modulus operator
Learning Perl on Win32 Systems, 2.4.1. Operators for Numbers
Perl in a Nutshell, 4.5.3. Arithmetic Operators
Programming Perl, 2.5.7. Multiplicative Operators
prototype character
Perl in a Nutshell, 4.7.5. Prototypes
Programming Perl, 2.7.3. Prototypes
signifying variable type : Perl in a Nutshell, 4.2.4.2. Hashes
%= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
+ (plus sign) : Programming Perl, 2.5.10. Named Unary and File Test Operators
additive operator : Programming Perl, 2.5.8. Additive Operators
in filenames : Programming Perl, 3.2.102. open
modifying open() : Learning Perl, 17.4. Fixed-Length Random Access Databases
quantifier
Programming Perl, 1.7. Regular Expressions
Programming Perl, 2.4.1.2. The rules of regular expression matching
regular expression metacharacter
Learning Perl, 7.3.2.2. Multipliers
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
unary operator
Perl in a Nutshell, 4.5.2. Unary Operators
Programming Perl, 2.5.5. Ideographic Unary Operators
+= (assignment) operator
Learning Perl, A.3. Chapter 4, Control Structures
Learning Perl, 2.6.1. Binary Assignment Operators
Learning Perl on Win32 Systems, A.3. Chapter 4, Control Structures
Learning Perl on Win32 Systems, 2.6.1. Binary Assignment Operators
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
++ (autoincrement) operator
Learning Perl, 2.6.2. Autoincrement and Autodecrement
Learning Perl, 14.1. Using system and exec
Learning Perl on Win32 Systems, 2.6.2. Autoincrement and Autodecrement
Learning Perl on Win32 Systems, 14.1. Using system and exec
Perl in a Nutshell, 4.5.5. Autoincrement and Autodecrement
Programming Perl, 1.5.4. Autoincrement and Autodecrement Operators
Programming Perl, 2.5.3. Autoincrement and Autodecrement
Programming Perl, 7.2.48.3. Overloadable operations
+? regular expression quantifier : Perl in a Nutshell, 4.6.6. Quantifiers
# (pound sign)
comment character
Learning Perl, 1.4. Basic Concepts
Learning Perl on Win32 Systems, 1.5. Basic Concepts
format field characters : Learning Perl, 11.4.2. Numeric Fields
? (question mark) : Programming Perl, 2.5.10. Named Unary and File Test Operators
debugger command : Programming Perl, 8.1.1. Debugger Commands
quantifier
Programming Perl, 1.7.1. Quantifiers
Programming Perl, 2.4.1.2. The rules of regular expression matching
regular expression metacharacter
Learning Perl, 7.3.2.2. Multipliers
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
?: (conditional) operator
Learning Perl on Win32 Systems, 9.6. &&, ||, and ?: as Control Structures
Perl in a Nutshell, 4.5.11.2. Conditional operator
Programming Perl, 2.5.16. Conditional Operator
?...? operator : (see m?? (match) operator)
?...? Perl debugger command : Perl in a Nutshell, Chapter 6, Reference: ?pattern?
' (quotation marks, single)
Advanced Perl Programming, 5.3. Watch Your Quotes
Programming Perl, 2.3.2.2. String literals
" (quotation marks, double)
Advanced Perl Programming, 5.3. Watch Your Quotes
Programming Perl, 2.3.2.2. String literals
Programming Perl, 2.4.1.1. The regular expression bestiary
in formline arguments : Programming Perl, 3.2.42. formline
> (right angle bracket) : (see < > (angle brackets))
; (semicolon)
Programming Perl, 2.6.1. Simple Statements
Programming Perl, 8.2.1. Universal Blunders
ending Perl statements
Learning Perl, 1.5.1. The "Hello, World" Program
Perl in a Nutshell, 4.1. Program Structure
in prototype declarations : Perl in a Nutshell, 4.7.5. Prototypes
# (hash mark)
for comments : Programming Perl, 2.4. Pattern Matching
in formats : Programming Perl, 2.8. Formats
#! (shebang) notation
Learning Perl on Win32 Systems, 1.5. Basic Concepts
Programming Perl, 1.3.1. How to Do It
Programming Perl, 6.1.1. Command Processing
Programming Perl, 6.3.1.3. Security bugs
' (single quotation marks)
Advanced Perl Programming, 5.3. Watch Your Quotes
Programming Perl, 2.3.2.2. String literals
/ (slash) : Programming Perl, 2.5.10. Named Unary and File Test Operators
choosing alternate to, in substitution : Learning Perl, 7.5. Substitutions
debugger command : Programming Perl, 8.1.1. Debugger Commands
division operator
Perl in a Nutshell, 4.5.3. Arithmetic Operators
Programming Perl, 2.5.7. Multiplicative Operators
encoding in URLs : Perl in a Nutshell, 9.2. URL Encoding
in import list : Programming Perl, 7.2.15.1. Specialized import lists
regular expression delimiter
Learning Perl, 7.2. Simple Uses of Regular Expressions
Learning Perl, 7.4.3. Using a Different Delimiter
Learning Perl on Win32 Systems, 7.2. Simple Uses of Regular Expressions
Learning Perl on Win32 Systems, 7.4.3. Using a Different Delimiter
root directory
Perl Cookbook, 9.0. Introduction
Programming Perl, 3.2.17. chroot
/= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
// operator : (see match (m//) operator)
/.../ Perl debugger command : Perl in a Nutshell, Chapter 6, Reference: /pattern/
~ (tilde)
bitwise negation operator
Perl in a Nutshell, 4.5.2. Unary Operators
Programming Perl, 2.5.5. Ideographic Unary Operators
complement operator : Programming Perl, 8.2.3. Awk Traps
in filenames, expanding : Perl Cookbook, 7.3. Expanding Tildes in Filenames
in formats : Learning Perl, 11.4.4. Filled Fields
suppressing output whitespace
Perl in a Nutshell, 4.10. Formats
Programming Perl, 2.8. Formats
~~ to print strings in fields
Learning Perl on Win32 Systems, 11.4.4. Filled Fields
Perl in a Nutshell, 4.10. Formats
_ (underscore)
Perl Cookbook, 9.0. Introduction
Programming Perl, 2.3.1. Variables
Programming Perl, 8.2.7. Previous Perl Traps
filehandle
Perl in a Nutshell, 4.4.3. Global Special Filehandles
Programming Perl, 2.9.5. Global Special Filehandles
improving number legibility : Perl in a Nutshell, 4.2.1. Numbers
large numbers and : Programming Perl, 2.3.2.1. Numeric literals
in variable names
Learning Perl, 2.5. Scalar Variables
Programming Perl, 8.4. Programming with Style
| (vertical bar)
bitwise OR operator
Perl in a Nutshell, 4.5.10. Bitwise Operators
Programming Perl, 2.4.1.1. The regular expression bestiary
Programming Perl, 2.5.13. Bitwise Operators
as format field characters
Learning Perl, 11.4.1. Text Fields
Perl in a Nutshell, 4.10. Formats
Programming Perl, 2.8.1. Format Variables
open() and
Learning Perl, 1.5.12. Warning Someone When Things Go Astray
Learning Perl, 14.3. Using Processes as Filehandles
Learning Perl on Win32 Systems, 1.6.12. Warning Someone When Things Go Astray
Learning Perl on Win32 Systems, 14.3. Using Processes as Filehandles
Programming Perl, 3.2.102. open
for option speficiers : Programming Perl, 7.2.35.2. Aliases and abbreviations
Perl debugger command
Perl in a Nutshell, Chapter 6, Reference: |
Programming Perl, 8.1.1. Debugger Commands
regular expression metacharacter
Learning Perl, 7.3.2.4. Alternation
Perl in a Nutshell, 4.6.2. Regular Expression Syntax
|= (assignment) operator
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
|- piping pseudo-command : Programming Perl, 6.2.2.2. Talking to yourself
|| (logical OR) operator
Perl Cookbook, 1.2. Establishing a Default Value
Learning Perl, 1.5.9. Making It a Bit More Modular
Learning Perl on Win32 Systems, 1.6.9. Making It a Bit More Modular
Perl in a Nutshell, 4.5.9. Logical Operators
Programming Perl, 2.5.14. C-style Logical (Short Circuit) Operators
as control structure : Learning Perl, 9.6. && and || as Control Structures
die() and
Learning Perl, 10.3. A Slight Diversion: die
Learning Perl on Win32 Systems, 10.4. A Slight Diversion: die
examples of
Learning Perl, A.7. Chapter 8, Functions
Learning Perl, A.15. Chapter 16, System Database Access
Learning Perl, 15.4. Advanced Sorting
Learning Perl on Win32 Systems, A.7. Chapter 8, Functions
Learning Perl on Win32 Systems, 15.4. Advanced Sorting
|| Perl debugger command
Perl in a Nutshell, Chapter 6, Reference: ||
Programming Perl, 8.1.1. Debugger Commands
||= (assignment) operator
Perl Cookbook, 1.2. Establishing a Default Value
Perl in a Nutshell, 4.5.6. Assignment Operators
Programming Perl, 2.5.17. Assignment Operators
/o pattern match modifier
Perl Cookbook, 6.10. Speeding Up Interpolated Matches
Perl in a Nutshell, 4.6.1. Pattern-Matching Operators


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