Chapter 5. Operators and functions

Table of Contents
In this chapter...
What are operators and functions?
Operators
Functions
More about context
Some easy functions
Chapter summary

In this chapter...

In this chapter, we look at some of the operators and functions which can be used to manipulate data in Perl. In particular, we look at operators for arithmetic and string manipulation, and many kinds of functions including functions for scalar and list manipulation, more complex mathematical operations, type conversions, dealing with files, etc.