Book HomeIndex
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
| Explanatory note
O
- O command (debugger)
: Debugger Commands
- -O file test operator
: Named Unary and File Test Operators
- -o file test operator
: Named Unary and File Test Operators
- /o modifier
- Pattern-Matching Operators
-
- object (see constructors)
- classes
: Packages, Modules, and Object Classes
- constructors (see constructors)
- methods
: Using Object Methods
- object methods
: DirHandle--Supply Object Methods for Directory Handles
- for filehandles
: FileHandle--Supply Object Methods for Filehandles
- object-oriented programming
- Brief Refresher on Object-Oriented Programming
- Object-Oriented Scaling Tips
- objects
- Objects
- Class Context and the Object
- blessing
: bless
- obtaining Perl
: How to Get Perl
- oct function
: oct
- octal characters
: String literals
- octal numbers
- The rules of regular expression matching
- oct
- specifying $/ as
: Switches
- ODBM_File module
- AnyDBM_File--Provide Framework for Multiple DBMs
- ODBM_File--Tied Access to ODBM Files
- offsets
- for m// successes
: pos
- read function and
: read
- seek function
: seek
- $OFMT (see $# variable)
-
- a2p
- $OFS (see $, variable)
- one-liners
: How to Do It
- OOP (object-oriented programming)
- Brief Refresher on Object-Oriented Programming
- Object-Oriented Scaling Tips
- open function
- open
- Anonymous pipes
- fileno function and
: fileno
- $. and
: close
- open( )
: FileHandle--Supply Object Methods for Filehandles
- open2( )
: IPC::Open2--Open a Process for Both Reading and Writing
- Open2, Open3 library modules
: Bidirectional communication
- open3( )
: IPC::Open3--Open a Process for Reading, Writing, and Error Handling
- opendir function
- opendir
- DirHandle--Supply Object Methods for Directory Handles
- opening
- files via low-level system call
: sysopen
- sockets
: socket
- opening files
- FileCache module
: FileCache--Keep More Files Open Than the System Permits
- openlog( )
: Sys::Syslog--Perl Interface to UNIX syslog(3) Calls
- operating system
: Perl in a Nutshell
- operator mask
: Safe--Create Safe Namespaces for Evaluating Perl Code
- operators
- Operators
- Operators
- associativity of
: Operators
- autogeneration
: Autogeneration
- overloading
: overload--Overload Perl's Mathematical Operations
- precedence of
: Operators
- optimizing
- performance and
: Efficiency
- options (see switches, Perl command-line)
- OR (^) operator (see XOR operator)
-
- Awk Traps
- OR (|) operator
: Bitwise Operators
- OR (||) operator
: C-style Logical (Short Circuit) Operators
- or operator
- Logical and, or, not, and xor
- Programming with Style
- ord function
: ord
- order (see precedence)
- of function precedence
: Functions
- $ORS (see $\ variable)
- $OSNAME (see $^O variable)
- $OS_ERROR (see $! variable)
- output (see also filehandles)
- checking file descriptors for
: select (ready file descriptors)
- field separator (see $, variable)
- pipes
: Pipes
- record separator (see $\ variable)
- selecting filehandles for
: select (output filehandle)
- test script
: The test script output
- $OUTPUT_AUTOFLUSH (see $| variable)
- $OUTPUT_FIELD_SEPARATOR (see $, variable)
- $OUTPUT_RECORD_SEPARATOR (see $\ variable)
- overload module
: overload--Overload Perl's Mathematical Operations
- overloaded
- functions
: Scalar and list context
- Overloaded( )
: Public functions
- overloading
- run-time
: Run-time overloading
- overriding
- base class methods
: Overriding Base Class Methods
- MakeMaker methods
: Overriding MakeMaker methods
- overriding functions
: Overriding Built-in Functions
- ownership, file
: chown
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
Explanatory note
Book Home
Copyright © 1997 O'Reilly & Associates, Inc.
All Rights Reserved.