Jasper,
I am not sure if you looked at the desired output, but the AM said all the x values from file 2 subtracted from just the first x value in file 1. Your proposed solution would be corresponding x values, which I do not believe is desired.

Cheers - L~R

In reply to Re^2: hash or nest loop by Limbic~Region
in thread hash or nest loop by Anonymous Monk

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