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Index: O

o command (CPAN.pm) : Chapter 2, Reference: o
O command (Perl debugger) : Chapter 6, Reference: O
-O file test operator : 4.5.8. File Test Operators
-o file test operator : 4.5.8. File Test Operators
O module : 8.115. O
-O option (dprofpp) : 6.5. The Perl Profiler
-o option (perlcc) : 3.4. The Perl Compiler
o pattern match modifier : 4.6.1. Pattern-Matching Operators
object-oriented programming : 7.3. Object-Oriented Perl
objects : 7.3. Object-Oriented Perl
functions for : 5.1. Perl Functions by Category
instance vs. class methods : 7.4. Object Syntax
obtaining Perl modules
2.2. How Is CPAN Organized?
2.4. Getting and Installing Modules
obtaining Perl source code : 2. Installing Perl
oct() : Chapter 5, Reference: oct
ODBM_File module : 8.116. ODBM_File
-offvalue option
Checkbutton widget : 18.5. The Checkbutton Widget
Menubutton widget : 18.14.1. Menu Item Options
$OFMT ($#) variable : 4.4.1. Global Special Variables
$OFS ($,) variable : 4.4.1. Global Special Variables
-ok option (perlbug) : 6.6. The perlbug Program
-okay option (perlbug) : 6.6. The perlbug Program
OLE automation : 19.18. OLE Automation
-onvalue option
Checkbutton widget : 18.5. The Checkbutton Widget
Menubutton widget : 18.14.1. Menu Item Options
Opcode module : 8.117. Opcode
open()
Chapter 5, Reference: open
4.9. Filehandles
document object (PerlScript) : 20.1.1.1. Document methods
Mail::Folder module : Chapter 14, Reference: open
Mail::Mailer module : Chapter 14, Reference: open
Mail::Send module
Chapter 14, Reference: open
14.2.2. Better Header Control with Mail::Send
Win32::Mutex module : 19.9. Win32::Mutex
Win32::Semaphore module : 19.14. Win32::Semaphore
Open() (Win32::Registry) : 19.13. Win32::Registry
opendir() : Chapter 5, Reference: opendir
OpenRequest() (Win32::Internet) : Chapter 19, Reference: OpenRequest
OpenURL() (Win32::Internet) : Chapter 19, Reference: OpenURL
operators : 4.5. Operators
ops module : 8.118. ops
Optionmenu widget (Perl/Tk) : 18.16. The Optionmenu Widget
-options option (Optionmenu) : 18.16. The Optionmenu Widget
OR (|) operator, bitwise : 4.5.10. Bitwise Operators
OR (||) operator, logical : 4.5.9. Logical Operators
oraperl package : 12.2. Design of DBI
ord() : Chapter 5, Reference: ord
-orient option
Scale widget : 18.13. The Scale Widget
Scrollbar widget : 18.9. The Scrollbar Widget
$ORS ($\) variable : 4.4.1. Global Special Variables
Orwant, Jon : 1.4.7. The Perl Journal
$OS_ERROR ($!) variable : 4.4.1. Global Special Variables
$OSNAME ($^O) variable : 4.4.1. Global Special Variables
output
(see also input)
5.1. Perl Functions by Category
formats for : 4.10. Formats
$OUTPUT_AUTOFLUSH ($|) variable : 4.4.6. Filehandle Special Variables
$OUTPUT_FIELD_SEPARATOR ($,) variable : 4.4.1. Global Special Variables
$OUTPUT_RECORD_SEPARATOR ($\) variable : 4.4.1. Global Special Variables
OutputCP() (Win32::Console) : Chapter 19, Reference: OutputCP
=over command (pod) : Chapter 4, Reference: =over
overload module : 8.119. overload
overridedirect() (Frame widget) : 18.18.1. Toplevel Methods
overview_fmt() (Net::NNTP) : Chapter 15, Reference: overview_fmt


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