At some point while writing Perl code (most likely often), you will need to have to deal with large amounts of data. As you likely know, there is always more than one way to perform a task in Perl. That means there is always a "good" way and a "bad" way. Good might mean faster or less memory usage. In any event, this chapter will introduce you to different techniques you can use to deal with data.
Use the Readonly module to create constants
In an earlier chapter, we introduced the built-in Perl pragma "constant.pm", which can be used to create ...
