Index: O

• command (CPAN.pm) : Reference: o
• command (Perl debugger) : Reference: O
• -O file test operator : File Test Operators
• -o file test operator : File Test Operators
• module : O
• -O option (dprofpp) : The Perl Profiler
• -o option (perlcc) : The Perl Compiler
• pattern match modifier : Pattern-Matching Operators
• object-oriented developing : Object-Oriented Perl
• objects : Object-Oriented Perl
• • functions for : Perl Functions by Category
  • instance vs. class methods : Object Syntax
• obtaining Perl modules
• • How Is CPAN Organized?
  • Getting and Installing Modules
• obtaining Perl source code : Installing Perl
• oct() : Reference: oct
• ODBM_File module : ODBM_File
• -offvalue option
• • Checkbutton widget : The Checkbutton Widget
  • Menubutton widget : Menu Item Options
• $OFMT ($#) variable : Global Special Variables
• $OFS ($,) variable : Global Special Variables
• -ok option (perlbug) : The perlbug Program
• -okay option (perlbug) : The perlbug Program
• OLE automation : OLE Automation
• -onvalue option
• • Checkbutton widget : The Checkbutton Widget
  • Menubutton widget : Menu Item Options
• Opcode module : Opcode
• open()
• • Reference: open
  • Filehandles
  • document object (PerlScript) : Document methods
  • Mail::Folder module : Reference: open
  • Mail::Mailer module : Reference: open
  • Mail::Send module
  • • Reference: open
    • Better Header Control with Mail::Send
  • Win32::Mutex module : Win32::Mutex
  • Win32::Semaphore module : Win32::Semaphore
• Open() (Win32::Registry) : Win32::Registry
• opendir() : Reference: opendir
• OpenRequest() (Win32::Internet) : Reference: OpenRequest
• OpenURL() (Win32::Internet) : Reference: OpenURL
• operators : Operators
• ops module : ops
• Optionmenu widget (Perl/Tk) : The Optionmenu Widget
• -options option (Optionmenu) : The Optionmenu Widget
• OR (|) operator, bitwise : Bitwise Operators
• OR (||) operator, logical : Logical Operators
• oraperl package : Design of DBI
• ord() : Reference: ord
• -orient option
• • Scale widget : The Scale Widget
  • Scrollbar widget : The Scrollbar Widget
• $ORS ($\) variable : Global Special Variables
• Orwant, Jon : The Perl Journal
• $OS_ERROR ($!) variable : Global Special Variables
• $OSNAME ($^O) variable : Global Special Variables
• output
• • (see also input)
  • Perl Functions by Category
  • formats for : Formats
• $OUTPUT_AUTOFLUSH ($|) variable : Filehandle Special Variables
• $OUTPUT_FIELD_SEPARATOR ($,) variable : Global Special Variables
• $OUTPUT_RECORD_SEPARATOR ($\) variable : Global Special Variables
• OutputCP() (Win32::Console) : Reference: OutputCP
• =over command (pod) : Reference: =over
• overload module : overload
• overridedirect() (Frame widget) : Toplevel Methods
• overview_fmt() (Net::NNTP) : Reference: overview_fmt