Going Deeper
Had enough of strings and numbers yet? Want to learn more? No problem. This section has a number of other features to look at concerning scalar data before we forge on ahead to lists.
Operators are all discussed in the perlop man page, whereas functions are discussed in the perlfunc man page. As I mentioned before, you can get to all these pages through the use of the perldoc command or on the Web at http://www.perl.com/pub/doc/manual/html/pod/.
Useful Number and String Functions
Perl includes quite a few built-in functions for a variety of purposes. Appendix E,“Perl Functions,” contains a summary of those functions, and the perlfunc man page also describes them in further detail. In particular, Perl includes a number of useful functions ...
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