Perl is such a wide and deep language that I can't hope to explain it all without ending up with a phonebook-sized volume. In this section, then, are the things you can do with scalar data that I haven't covered in the previous sections. Some of these things we'll explore in more detail later on in this book, but for the most part these topics are parts of the language you'll have to explore on your own.
As I mentioned yesterday, throughout this book, when I refer to the perlop or perlfunc man pages—or to any Perl man pages—you can find these pages as part of the documentation for your Perl interpreter, or on the Web at http://www.perldoc.com/.
Quoting Strings and Patterns
The quote characters '' and "" in Perl might seem like immutable ...