[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] abstraction accessor methods Gene2.pm algorithms [See also string algorithms] border conditions and data structures and references alternation and operator bitwise and (&) operator logical and control flow, using for angle operator anonymous arrays anonymous data anonymous hashes anonymous referents approximate string matching arguments arithmetic operators arrays 2nd @ARGV anonymous arrays of arrays elements, specifying matrices references to sparse arrays as subroutine arguments two-dimensional arrays arrow notation arrow operator (\>) assignment scalar and list context assignment operators at sign (@) attributes 2nd graphics output, storing in key/value pairs attributes (databases) autoincrement and autodecrement operators AUTOLOAD subroutine accessors arguments FileIO.pm get_ and set_ mutators speeding up the code writing methods using |