in reply to
Re^2: Argument "" Isn't numeric in numeric eq (==)
in thread Argument "" Isn't numeric in numeric eq (==)
While I don't disagree with you, I think we could guess at the data structure and missing code until the cows come home and still get it wrong.
My intent was really just meant to provide an idea of how the task might be tackled:
"Here's a technique ... you can probably modify it ..."
[I also note that it's more than a day and half since the OP was posted and, despite a number of replies raising issues with it, ler224 has provided no clarification whatsoever.]