Index O

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X]

object-oriented (OO) programming  
object-oriented programming   2nd  
objects   2nd  
       clearing from memory  
       hash data structures  
       instance of a class  
       representation as hashes  
octal (base 8) numbers  
open system call  
opening files  
operators  
       arithmetic  
       assignment  
       binding  
       bitwise  
       context and  
       file test  
       logical
               conditionals and  
       precedence of  
       string  
or operator
        (bitwise OR)  
       logical or  
               control flow, using for  
output
       directing to STDOUT, STDERR and files  
       functions for  
output, formatting with printf