Not code, but look at autovivication, defined, and exists. Basically, unless you set a variable to some value, it is undefined. defined allows you to test for that condition. If a min/max value is not defined when you first use it, would it not make sense to set them both to $value?

--MidLifeXis

In reply to Re^7: Analytics on Hash Arrays by MidLifeXis
in thread Analytics on Hash Arrays by yasser8@gmail.com

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