After adding use strict and correcting all the typos (steps), I got this error:
Global symbol "@steps" requires explicit package name.
What does "use strict" do and in this case should I make @steps local?

In reply to Re^2: Use of uninitialized value in concatenation (.) or string by oscarjiao
in thread Use of uninitialized value in concatenation (.) or string by oscarjiao

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