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Index: O

/o pattern-matching modifier : 6.10. Speeding Up Interpolated Matches

O_ flags : 7.1. Opening a File

O_NONBLOCK option : 7.14. Doing Non-Blocking I/O

object attributes

13.0. Introduction

13.3. Managing Instance Data

inheritance and : 13.12. Solving the Data Inheritance Problem

object methods : 13.0. Introduction

object-oriented programming : 13.0. Introduction

objects : 13.0. Introduction

cloning parent objects : 13.6. Cloning Objects

closures as : 11.7. Using Closures Instead of Objects

constructing

13.0. Introduction

13.1. Constructing an Object

destroying

13.0. Introduction

13.2. Destroying an Object

determining subclass membership : 13.8. Determining Subclass Membership

managing instance data : 13.3. Managing Instance Data

tied objects : 13.15. Creating Magic Variables with tie

oct(�) : 2.16. Converting Between Octal and Hexadecimal

octal numbers : 2.16. Converting Between Octal and Hexadecimal

open(�)

(see also processes)

7.0. Introduction

7.1. Opening a File

16.10. Communicating Between Related Processes

caching open filehandles : 7.17. Caching Open Output Filehandles

filtering output : 16.5. Filtering Your Own Output

reading from other programs : 16.4. Reading or Writing to Another Program

strange filenames with : 7.2. Opening Files with Unusual Filenames

open, magic : (see magic open)

opendir(�)

9.0. Introduction

9.5. Processing All Files in a Directory

globbing filenames : 9.6. Globbing, or Getting a List of Filenames Matching a Pattern

opening file descriptors : 7.19. Opening and Closing File Descriptors by Number

opening files : 7.1. Opening a File

operators, overloading : 13.14. Overloading Operators

OR functionality in regular expressions : 6.17. Expressing AND, OR, and NOT in a Single Pattern

or operator vs. || operator : 1.2. Establishing a Default Value

ord(�) : 1.4. Converting Between ASCII Characters and Values

oreobounce program (example) : 19.8. Redirecting to a Different Location

os_snipe program (example) : 19.8. Redirecting to a Different Location

output

controlling decimal places : 13.14. Overloading Operators

controlling for other programs : 16.8. Controlling Input and Output of Another Program

filtering : 16.5. Filtering Your Own Output

flushing : 7.12. Flushing Output

gathering from programs : 16.1. Gathering Output from a Program

random access I/O : 8.12. Using Random-Access I/O

writing to other programs : 16.4. Reading or Writing to Another Program

output(�) : 5.16. Program: dutree

overloading operators : 13.14. Overloading Operators

overriding

built-in functions : 12.11. Overriding Built-In Functions

methods : 13.10. Accessing Overridden Methods

signal handlers : 16.16. Temporarily Overriding a Signal Handler

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