Sams Teach Yourself Perl in 24 Hours

Q&A

Q1:	Is there really any difference between using & and not using & when calling a function?
A1:	None that should concern you at this point. A subtle difference does exist between &foo and foo when function prototypes are used or when a function is called without parentheses. These are topics well beyond the scope of this book, but for the curious, they're documented in the perlsub manual page.
Q2:	When I use my($var) in a program, Perl responds with a syntax error, next 2 tokens my( message.
A2:	You have either mistyped something or have Perl version 4 installed. Type perl -v at a command prompt. If Perl responds with version 4, you should upgrade immediately.
Q3:	How do I pass (or return) functions, filehandles, multiple arrays, or hashes to ...