Index - e-Reading Library
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Symbols |
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C |
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F |
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N |
O |
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X |
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Z
Symbols and Numbers
- -0 switch, perl
: Switches
- 1/2, square root of (constant)
: Math.SQRT1_2
- 2, square root of (constant)
: Math.SQRT2
- 200 (Success) code
- Status Codes
- Checking Hypertext (HTTP) Links
- 204 (No Response) code
- The "No Response" Code
- Graphics
- 211 (Success) code
: Network News on the Web
- 221 (Success) code
: Network News on the Web
- 222 (Success) code
: Network News on the Web
- 3-D borders (see borders)
-
-
- 301 (Document Moved) code
: Status Codes
- 401 (Unauthorized) code
- Status Codes
- Checking Hypertext (HTTP) Links
- 403 (Forbidden) code
: Status Codes
- 404 (Not Found) code
- Status Codes
- Checking Hypertext (HTTP) Links
- 500 (Internal Server Error) code
- What should I do when I get a "Serv...
- Status Codes
- Tcl
- 501 (Not Implemented) code
: Status Codes
- & (ampersand)
- Programming with Style
- address-of operator (in C)
: C Operators Missing from Perl
- bitwise AND operator
- Bitwise Operators
- Bitwise And (<tt CLASS=replaceable>...
- to delimit field information
: Submit and Reset Buttons
- for entities
- Special text characters
- Character Entities
- JavaScript Entities
- Named Unary and File Test Operators
- Transferring the Form Data
- JavaScript Entities
- in filenames
: open
- in key-value pairs
: Sending Data to the Server
- prototype character
: Prototypes
- for subroutine names
- Variables
- Subroutines
- in URLs : Transferring the Form Data
- && (logical AND) operator
- C-style Logical (Short Circuit) Ope...
- Miscellaneous Differences
- Logical And (<tt CLASS=replaceable>...
- Logical and, or, not, and xor
- &&= (assignment) operator
: Assignment Operators
- &{} for entities
- Core Language Changes
- JavaScript Entities
- &= (assignment) operator
: Assignment Operators
- < > (angle brackets)
: HTML Tag Syntax
- ' (apostrophe)
- String Literals
- Escape Sequences in String Literals
- * (asterisk)
- Named Unary and File Test Operators
- Multiplication (*)
- dereference operator (in C)
: C Operators Missing from Perl
- frame size
: Frame Layout
- as media type wildcard
: Media Types and Subtypes
- multiplicative operator
: Multiplicative Operators
- prototype character
: Prototypes
- quantifier
- Quantifiers
- The rules of regular expression matching
- for typeglob names
- Typeglobs and Filehandles
- Passing Symbol Table Entries (Typeglobs)
- ** (exponentiation) operator
: Exponentiation
- **= (assignment) operator
: Assignment Operators
- *= (assignment) operator
: Assignment Operators
- @ (at sign)
- Previous Perl Traps
- for array names
: Variables
- in debugger
: Using the Debugger
- in picture lines
: Formats
- prototype character
: Prototypes
- @_ array
- Subroutines
- English--Use English or awk Names f...
- Debugger Bugs
- \ (backslash)
- Escape Sequences in String Literals
- to escape metacharacters
: The regular expression bestiary
- for multiline commands
: Using the Debugger
- quotemeta function for
: quotemeta
- reference operator
- Ideographic Unary Operators
- The Backslash Operator
- ` (backtick)
- Anonymous pipes
- emulating
: Cleaning up your path
- operator
- Command input (backtick) operator
- Shell Traps
- Programming with Style
- `` command : C Shell
- ! (bang)
- for argument specifiers
: Getopt::Long--Extended Processing o...
- debugger command
: Debugger Commands
- in import list
: Specialized import lists
- logical negation operator
: Ideographic Unary Operators
: Logical Not (!)
- !! debugger command
: Debugger Commands
- != (not equal to) operator
- Inequality (!=)
- Equality Operators
- Universal Blunders
- !~ (binding) operator
: Binding Operators
- { } (braces)
- Compound Statements
- Braces, Brackets, and Quoting
- Universal Blunders
- Programming with Style
- function
- in awk
: Awk Traps
- for statement blocks
: Compound Statements
- hash composer
: The Anonymous Hash Composer
- identifiers in
: String literals
- quantifier
- Quantifiers
- The rules of regular expression matching
- [ ] (brackets)
- Arrays
- Array and Object Access Operators
- for...in
- Objects as Associative Arrays
- Reading and Writing Array Elements
- Conversions to Objects
- The Anonymous Array Composer
- to match characters
: The rules of regular expression matching
- ^ (caret)
- assertion : Quantifiers
- bitwise XOR operator
- Bitwise Operators
- Awk Traps
- Bitwise Xor (^)
- line boundary
- Nailing Things Down
- The rules of regular expression matching
- The fine print
- matching
: The rules of regular expression matching
- in picture lines
: Formats
- ^= (assignment) operator
: Assignment Operators
- : (colon)
- in import list
: Specialized import lists
- separating Macintosh directories
: AppleScript
- :: for package identifiers
- Packages
- Previous Perl Traps
- , (comma)
- Universal Blunders
- delimiting list values
: List Values and Arrays
- key/value pairs and
: Hashes (Associative Arrays)
- large numbers and
: Numeric literals
- operator
- Comma Operators
- The Comma Operator (,)
- Awk Traps
- for
- in styles
: Multiple Selectors
- {} curly braces (see braces)
- $ (dollar sign)
- Identifiers
- for backreferences (see backreferences)
- in debugger
: Using the Debugger
- line boundary
- The rules of regular expression matching
- The fine print
- prototype character
: Prototypes
- for scalar variable names
: Variables
- word boundary
: Nailing Things Down
- $# prefix
: List Values and Arrays
- $ variables
- $0 ($PROGRAM_NAME)
- Global Special Variables
- English--Use English or awk Names f...
- $1, $2, $3... (see backreferences)
- $& ($MATCH)
- The fine print
- Regular Expression Special Variables
- a2p
- English--Use English or awk Names f...
- Time Efficiency
- $' ($POSTMATCH)
- The fine print
- Regular Expression Special Variables
- a2p
- English--Use English or awk Names f...
- Time Efficiency
- $* ($MULTILINE_MATCHING)
: Regular Expression Special Variables
- $@ ($EVAL_ERROR)
- Global Special Variables
- English--Use English or awk Names f...
- $\ ($OUTPUT_RECORD_SEPARATOR)
- Global Special Variables
- Switches
- English--Use English or awk Names f...
- $` ($PREMATCH)
- The fine print
- Regular Expression Special Variables
- a2p
- English--Use English or awk Names f...
- Time Efficiency
- $! ($OS_ERROR)
- Global Special Variables
- English--Use English or awk Names f...
- $[
: Global Special Variables
- $] ($PERL_VERSION)
- Global Special Variables
- English--Use English or awk Names f...
- $^ ($FORMAT_TOP_NAME)
- Format Variables
- Per-Filehandle Special Variables
- English--Use English or awk Names f...
- Universal Blunders
- $^A ($ACCUMULATOR)
- Accessing Formatting Internals
- Global Special Variables
- English--Use English or awk Names f...
- formline function
: formline
- $^D ($DEBUGGING)
- Global Special Variables
- Switches
- English--Use English or awk Names f...
- $^F ($SYSTEM_FD_MAX)
- Global Special Variables
- English--Use English or awk Names f...
- $^H
: Global Special Variables
- $^I ($INPLACE_EDIT)
- Global Special Variables
- English--Use English or awk Names f...
- $^L ($FORMAT_LINEFEED)
- Format Variables
- Global Special Variables
- English--Use English or awk Names f...
- $^O ($OSNAME)
- Global Special Variables
- English--Use English or awk Names f...
- $^P ($PERLDB)
- Global Special Variables
- English--Use English or awk Names f...
- $^T ($BASETIME)
- Named Unary and File Test Operators
- Global Special Variables
- English--Use English or awk Names f...
- $^W ($WARNING)
- Global Special Variables
- English--Use English or awk Names f...
- $^X ($EXECUTABLE_NAME)
- Global Special Variables
- English--Use English or awk Names f...
- $: ($FORMAT_LINE_BREAK _CHARACTERS)
- Global Special Variables
- English--Use English or awk Names f...
- $, ($OUTPUT_FIELD_SEPARATOR)
- Global Special Variables
-
- English--Use English or awk Names f...
- $$ ($PROCESS_ID)
- Global Special Variables
- English--Use English or awk Names f...
- $. ($INPUT_LINE_NUMBER)
- Global Special Variables
- English--Use English or awk Names f...
- resetting with close function
: close
- $= ($FORMAT_LINES_PER_PAGE)
- Format Variables
- Per-Filehandle Special Variables
- English--Use English or awk Names f...
- $- ($FORMAT_LINES_LEFT)
- Per-Filehandle Special Variables
- English--Use English or awk Names f...
- $< ($REAL_USER_ID)
- Global Special Variables
- English--Use English or awk Names f...
- $( ($REAL_GROUP_ID)
- Global Special Variables
- English--Use English or awk Names f...
- $) ($EFFECTIVE_GROUP_ID)
- Global Special Variables
- English--Use English or awk Names f...
- $% ($FORMAT_PAGE_NUMBER)
- Format Variables
- Per-Filehandle Special Variables
- English--Use English or awk Names f...
- $+ ($LAST_PAREN_MATCH)
- The fine print
- Regular Expression Special Variables
- English--Use English or awk Names f...
- $? ($CHILD_ERROR)
- Global Special Variables
- English--Use English or awk Names f...
- backtick operator and
: Command input (backtick) operator
- close function and
: close
- $" ($LIST_SEPARATOR)
: English--Use English or awk Names f...
- $> ($EFFECTIVE_USER_ID)
- Global Special Variables
- English--Use English or awk Names f...
- $; ($SUBSCRIPT_SEPARATOR)
- Global Special Variables
- English--Use English or awk Names f...
- $# ($OFMT)
: Global Special Variables
- $/ ($INPUT_RECORD_SEPARATOR)
- Global Special Variables
- Switches
- English--Use English or awk Names f...
- $~ ($FORMAT_NAME)
- Format Variables
- Per-Filehandle Special Variables
- English--Use English or awk Names f...
- $_ ($ARG)
- The fine print
- Global Special Variables
- English--Use English or awk Names f...
- angle operator and
: Line input (angle) operator
- forearch statement and
: Foreach loops
- glob function with
: Filename globbing operator
- grep function and
: grep
- map function and
: map
- $| ($OUTPUT_AUTOFLUSH)
- Format Variables
- Per-Filehandle Special Variables
- English--Use English or awk Names f...
- Digital Clock
- . (dot)
- Named Unary and File Test Operators
- Array and Object Access Operators
- Reading and Writing Object Properties
- Arrays in Navigator 2.0
- Conversions to Objects
- character wildcard
- Regular Expressions
- The rules of regular expression matching
- The fine print
- concatenation operator
- String Operators
- Additive Operators
- Time Efficiency
- debugger command
: Debugger Commands
- .. (range) operator
: Range Operator
- .= (assignment) operator
: Assignment Operators
- = (equal sign)
- assignment operator
- Assignment Operators
- Assignment Operators
- Assignment Operators
- The assign() Method
- Previous Perl Traps
- combined with operations
: Assignment with Operation
- copy constructor
: Copy constructor
- debugger command
: Debugger Commands
- defining tag attributes : The Syntax of a Tag
- == (equal to) operator
- Equality Operators
- Universal Blunders
- Equality (==)
- => (corresponds to) operator
- Comma Operators
- with key/value pairs
: Hashes (Associative Arrays)
- with named parameters
: Hashes (Associative Arrays)
- =~ (binding) operator
: Binding Operators
- > (greater than) operator
- Relational Operators
- String Operators
- >= (greater than or equal) operator
- Relational Operators
- Greater Than or Equal (>=)
- String Operators
- >> (shift right with sign) operator
: Shift Right with Sign (>>)
- >>> (shift right zero fill) operator
: Shift Right Zero Fill (>>>)
- - (hyphen)
- The rules of regular expression matching
- arithmetic negation operator
- Ideographic Unary Operators
- Named Unary and File Test Operators
- Unary Negation (-)
- debugger command
: Debugger Commands
- subtractive operator
- Additive Operators
- Subtraction (-)
- -*- for Emacs
: Command Processing
- -= (assignment) operator
: Assignment Operators
- -- (autodecrement) operator
- Autoincrement and Autodecrement Ope...
- Autoincrement and Autodecrement
- Switches
- Overloadable operations
- Decrement (--)
- -> (arrow) operator
- The Arrow Operator
- Using the Arrow Operator
-
- Object-Oriented Scaling Tips
- -| piping pseudo-command
: Talking to yourself
- < (left angle bracket)
- Non-option callback routine
- Special text characters
- String Operators
- debugger command
: Debugger Commands
- filename globbing operator
: Filename globbing operator
- in filenames
: open
- for left justification
: Format Variables
- less than operator
- Relational Operators
- Less Than (<)
- line input operator
: Line input (angle) operator
- <!-- --> tags
- Comments
- Comments
- Comments
- Hiding Scripts from Old Browsers
- (see also SSI)
- <= (less than or equal) operator
- Relational Operators
- Less Than or Equal (<=)
- String Operators
- <=> (comparison) operator
- Equality Operators
- sort
- << (shift left) operator
- "Here" documents
- Shift Operators
- Shift Left (<<)
- <<= (assignment) operator
: Assignment Operators
- < > construct (see angle brackets)
- ( ) (parentheses)
- The regular expression bestiary
- Operators
- Terms and List Operators (Leftward)
- Programming with Style
- Functions
- Objects
- Operator Precedence
- Function Call Operator
- Defining and Invoking Functions
- for backreferences
: Backreferences
- in functions
: Functions
- grouping operator
: The rules of regular expression matching
- for list values
: List Values and Arrays
- (?!) assertion
: Regular expression extensions
- (?!...) assertion
: The rules of regular expression matching
- (?:) for grouping
: Regular expression extensions
- (?...) assertion
: The rules of regular expression matching
- (?=) assertion
: Regular expression extensions
- (?i) modifier
: Regular expression extensions
- (?#) for comments
: Regular expression extensions
- % (percent sign)
- Tailoring SSI Output
- for checksums
: unpack
- for date/time data : Configurable Time Formats for SSI Output
- for hash names
: Variables
- modulus operator
- Multiplicative Operators
- Modulo (%)
- Named Unary and File Test Operators
- prototype character
: Prototypes
- in URLs : Writing a URL
- %2F sequence
: URL Encoding
- %= (assignment) operator
: Assignment Operators
- + (plus)
- Named Unary and File Test Operators
- Workarounds for Navigator 2.0
- additive operator
- Additive Operators
- Addition (+)
- concatenation operator :
- Strings
- String Operators
- Conversions to Strings
- in filenames
: open
- quantifier
- Regular Expressions
- The rules of regular expression matching
- unary operator
: Ideographic Unary Operators
- += (assignment) operator
: Assignment Operators
- ++ (autoincrement) operator
- Autoincrement and Autodecrement Ope...
- Autoincrement and Autodecrement
- Overloadable operations
- Increment (++)
- # (pound sign)
- for comments
: Pattern Matching
- for entities
: Special text characters
- in formats
: Formats
- for name anchors
- Hyperlink Names and Navigation
- Linking Within a Document
- in server side includes
: Common Errors
- with uncgi
: C Shell (csh)
- in URLs
: The http document fragment
- #! (shebang) notation
- How to Do It
- Command Processing
- Security bugs
- ? (question mark)
- Query Strings
- Handling reserved and unsafe characters
- The http search parameter
- Named Unary and File Test Operators
- debugger command
: Debugger Commands
- quantifier
- Quantifiers
- The rules of regular expression matching
- ?: (conditional) operator
- Conditional Operator
- The Conditional Operator (?:)
- ?? operator (see m?? operator)
- " (quotation mark)
- Braces, Brackets, and Quoting
- Pick your own quotes
- String Literals
- String literals
- The regular expression bestiary
- for attribute values
: The Syntax of a Tag
- in braces
: String literals
- double-quote context
: Interpolative context
- in formline arguments
: formline
- qq/../ construct
: Mail Gateway
- strings and
: String literals
- in URLs
: Handling reserved and unsafe characters
- > (right angle bracket)
- debugger command
: Debugger Commands
- filename globbing operator
: Filename globbing operator
- in filenames
: open
- greater than operator
: Relational Operators
- line input operator
: Line input (angle) operator
- for right justification
: Format Variables
- >= (greater than or equal) operator
- Relational Operators
- Greater Than or Equal (>=)
- String Operators
- >> (right-shift) operator
: Shift Operators
- >>= (assignment) operator
: Assignment Operators
- ; (semicolon)
- Netscape Persistent Cookies
- Simple Statements
- Universal Blunders
- Optional Semicolons
- Statements
- # (sharp)
- ' (single quotes)
- String literals
- String Literals
- / (slash)
- Named Unary and File Test Operators
- debugger command
: Debugger Commands
- division operator
- Multiplicative Operators
- Division (/)
- in ending HTML tags
- Start and End Tags
- HTML Tag Syntax
- in import list
: Specialized import lists
- root directory
: chroot
- in URLs
- Handling reserved and unsafe characters
- The http path
- URL Encoding
- /= (assignment) operator
: Assignment Operators
- // comment marker
: Comments
- /* */ comment marker
: Comments
- // match operator (see match operator)
- ~ (tilde)
- The http path
- bitwise negation operator
- Bitwise Not (~)
- Ideographic Unary Operators
- complement operator
: Awk Traps
- to supress blank lines
: Formats
- _ (underscore)
- Variables
- Previous Perl Traps
- global filehandle
: Global Special Filehandles
- large numbers and
: Numeric literals
- in variable names
: Programming with Style
- | (vertical bar)
- for alternation
: The regular expression bestiary
- bitwise OR operator
- Bitwise Operators
- Bitwise Or (|)
- for centering
: Format Variables
- debugger command
- Debugger Commands
- Debugger Commands
- in filenames
: open
- for option specifiers
: Aliases and abbreviations
- |= (assignment) operator
: Assignment Operators
- |- piping pseudo-command
: Talking to yourself
- || (logical OR) operator
- C-style Logical (Short Circuit) Ope...
- Miscellaneous Differences
- Logical Or (||)
- ||= (assignment) operator
: Assignment Operators
Symbols |
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
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All Rights Reserved.