perlman root This section deals with general Perl language issues that don't clearly fit into any of the other sections. [Can I get a BNF/yacc/RE for the Perl language?] [id://680] [Do I always/never have to quote my strings or use semicolons and commas?] [How do I skip some return values?] [How do I temporarily block warnings?] [What's an extension?] [Why do Perl operators have different precedence than C operators?] [How do I declare/create a structure?] [How do I create a module?] [How do I create a class?] [How can I tell if a variable is tainted?] [What's a closure?] [What is variable suicide and how can I prevent it?] [id://692] [How do I create a static variable?] [What's the difference between dynamic and lexical (static) scoping? Between local() and my()?] [How can I access a dynamic variable while a similarly named lexical is in scope?] [What's the difference between deep and shallow binding?] [Why doesn't "my($foo) = <FILE>;" work right?] [id://698] [What's the difference between calling a function as &foo and foo()?] [How do I create a switch or case statement?] [How can I catch accesses to undefined variables/functions/methods?] [Why can't a method included in this same file be found?] [How can I find out my current package?] [How can I comment out a large block of perl code?]