Recipes for Structures
The following sections present some of the more common arrangements of lists and hashes into structures.
Example: A List of Lists
Lists of lists in Perl are often used to represent a common structure called a two-dimensional array. That is, a normal array is a linear list of values, as illustrated here:
A two-dimensional array is like a grid of values in which each element is addressed like a point with coordinates along two axes. The first part of the index indicates a row number (starting with 0), and the second is the column, as you can see here:
Perl doesn't really support a true two-dimensional array. However, Perl ...