Typo checking is actually better than Perl's IMHO, especially when checking module calls and such. For variables, i am very fond of attr_writer and attr_reader when I do need them, so there is no clobbering there. I never write foo.@bar = xyz as that's just bad style.
As for local scoping clopping outer scoping, I have not yet run across this problem, but I have never needed to use a variable twice with the same name in the same scope other than with local scope versus instance scope, and in which case, that all works fine.
I guess it depends on how you right your code, but the "Ruby Way" as it were does not run into problems like this, and it is not often a frequent complaint.
I get a lot more runtime type problems with Perl, especially due to the tendancy to abuse hashes and use less object encapsulation. The code is also more fragile.
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