Table of Contents
Perl Notes
Special Variables
Lists, Arrays, and Hashes
Perl Notes
Special Variables
@_ - any arguments passed to a subroutine are accessible with this variable
Lists, Arrays, and Hashes
$var is a scalar
(8, $a, 0.4, 'test') is a list (used to create arrays, etc…)
@var is an array
$var[0] is the first item in the array
%var is a hash
$var{key} is the value of the item with “key”