ikegami, that is brilliant. Simple, elegant, awesome. My code tends to be... none of those.

Anyway, I wanted to make sure I understood the logic. You are basically only checking if a parent is "seen," since a child by definition should be unique? (per the parameters of my request that is?)

In reply to Re^2: Creating tree with unique categories out of parent-child pointer list by bryank
in thread Creating tree with unique categories out of parent-child pointer list by bryank

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