What purpose is served by importing them into a table?
Set Variable [$List1 ; Value: List ( 1 ; 2 ; 3 ; 4 ; 5 ; 6 ) ]
Set Variable [$list2 ; Value: List ( 3 ; 4 ; 7 ) ]
FilterValues ( $List1 ; $List2 )
which would display as:
And there are custom functions that can return the lists of values NOT found in a second list.
well, that example was just to demonstrate the task. I have a list of 9.000 entries, that needs to be "shortened" by all entries, that also exist in another list of aprox. 1400 entries