Thank you, ikegami, I didn't know at all about modules like Scope::Guard and other Scope...

But, most likely, I should use direct package namespace in any case because of it seems that there will be many code inclusions in project files throw do &| eval &| require &| use. Fully qualified variables, imho, is most consistent way to make global environment which will be accessible in any file of such project?

In reply to Re^2: Is there a module to save and restore all package variables by Anonymous Monk
in thread Is there a module to save and restore all package variables by Anonymous Monk

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