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Index: O

object-oriented (OO) programming: B.20.2. Object-Oriented Programming
octal literals: 2.2.4. Nondecimal Integer Literals
OO (object-oriented) programming: B.20.2. Object-Oriented Programming
open function: 16.3. Fixed-length Random-access Databases
open operator: 11.2. Opening a Filehandle
opendir operator: 12.4. Directory Handles
operator: 2.8. Getting User Input
context and: 3.9. <STDIN> in List Context
defined function and: 2.12. The defined Function
while loop shortcut and: 6.1. Input from Standard Input
operator precedence (see precedence)
operators
associativity and: 2.6.2. Operator Precedence and Associativity
comparison: 2.6.3. Comparison Operators
15.4. Advanced Sorting
numeric: 2.2.5. Numeric Operators
overload module for: B.22. Operator Overloading
perlfunc manpage and: B.8. Other Operators and Functions
perlop manpage and: B.8. Other Operators and Functions
precedence and: 2.6.2. Operator Precedence and Associativity
option modifiers: 9.2. Option Modifiers
OR operator (||): 10.9. Logical Operators
10.9.3. Control Structures Using Partial-Evaluation Operators
die function and: 11.3. Fatal Errors with die
output: 6.4. Output to Standard Output
buffered: 6.4. Output to Standard Output
capturing using backquotes: 14.4. Using Backquotes to Capture Output
formatted with printf function: 6.5. Formatted Output with printf
overload module: B.22. Operator Overloading


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