Filtering one list out of another

Paul Hibbert paulhibbert at
Tue Dec 24 12:23:46 EST 2013

Thanks Dick,

I had that niggling feeling I was missing something, I totally forgot about wholeMatches, doing too many things at once I guess.


On 2013-12-23, at 11:17 PM, Dick Kriesel <dick.kriesel at> wrote:

> On Dec 23, 2013, at 6:19 PM, Paul Hibbert <paulhibbert at> wrote:
>> …or am I missing something?
> Yes, because of the way lineOffset works.  For example, if pListA is "12" and pListB is "2", then lineOffset(2,12) is 1, and an unintended delete occurs.  Avoid that by first setting the wholeMatches to true.  Then lineOffset(2,12) is 0.
> -- Dick
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