Moreover, this approach is subject to typos as well, because the compiler will accept a call to a function pretty happily.

What's the point you are trying to make here? This issue has nothing to do with global variables, and your only defense here is to not use named subroutines. If you want to use a subroutine you should use a reference to an anonymous function. Note however that if you use 'strict', and call your subroutines without parenthesis, the compile will bark if your subroutine is mistyped. But you can't always easily leave the parenthesis off.

In reply to Re: Global variables by Anonymous Monk
in thread Global variables by polettix

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