note vitoco <blockquote><i>You have no choice. Named subroutines are always global. You're lying to yourself when you said "local f".</i></blockquote> <p>You are right. I meant "define all subroutines at the same global level."</p> <blockquote><i>Why do you think that creating a variable somewhere should replace a variable in some unrelated sub?</i></blockquote> <p>It is not clear to me when a lexical variable is used and when is lost during the program execution, as in [id://809175|my last example], where I'd expect an uninitialized <c>$a</c> in all "local f"'s messages.</p> 809000 809160