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it's possible to scan an array with $Query in reverse order?
Thanks in advance,
Sorry Enzo - I don't think so. You could probably write a $$ReverseQuery(ref) function, but I suspect it was left out of the standard because not all implementations kept the back-links necessary to assure efficiency.
Enzo, GT.M does not implement a reverse $Query() function - it was not in the standard, and there never was enough demand to implement it.
Thank you, Rob and Bhaskar … I should to implement my own function to do this.