A crash course in Perl

Found in a posting on the unofficial Penn State intranet (Yammer):

for those who already know the basic building blocks of programming or scripting (statements, blocks, conditionals, variables, operations, and so on).
Perl is always in my toolbox. Real programming languages are for Real Programmers. Perl is for systems administrators and hackers. You can do anything with it; it will probably just take longer to run (but if you don’t care about that, it will probably be quicker to write).