So many computer languages try to force you into one way of thinking and Perl is very much the opposite of that approach. It's kind of like a, well, sometimes Perl has been called the Swiss army chainsaw of the internet, but it's more like a Swiss army machine shop. It really gives you a lot of tools, some of which are dangerous, but it lets you get your job done very quickly.
Larry WallEven if you aren't in doubt, consider the mental welfare of the person who has to maintain the code after you, and who will probably put parens in the wrong place.
Larry WallIt won't be covered in the book. The source code has to be useful for something, after all.
Larry Wall