A variable is a place to store a value, so it can be referred to or altered throughout your program.

Perl has 3 types of variables. The three types of variables are: scalar, array, and hash which will be discussed further in this section.

In This Chapter:

Scalars

Scalar variable stores single value

Arrays

Array variable is a list of scalars

Hashes

Hash is defined with a key/value relationship

Using Blocks

Learn how to manage hundreds of line by using blocks.

Input from Keyboard

Variables can also take their value from user inputs as the script is running

Working with Arrays

Understanding arrays and their basic functions