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in reply to Help with passing through a package...

Variables declared with my are local to the block or file which they are declared within. To make a variable accessible from the outside, you can declare with use vars, our (5.6+ only), or just use its full name instead of declaring it (e.g. $X2PCONF::...). (Of course, you don't even need to declare it or use its full name if you don't use strict, but please don't do that.)