Can we get a "substract list" action please?

[erictaylor]

I am having to do a "contains" check and loop over two large lists and its taking over 3 hours.

a simple VB.net like

list1.except(list2).distinct.toList

takes about 2 seconds.

Thanx

[GaG]

You can use node or javascript for that.
You can even run VBscript from BAS too, if you want.