Remove subset from array

[Mark Schonewille]

Thank you for your reply, Dick. I think that "difference" would be a  
good name, although RunRev Ltd might always come up with something else.

Does anyone else have an opinion on this matter?

Best regards,

Mark Schonewille

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Op 17-sep-2007, om 22:56 heeft Dick Kriesel het volgende geschreven:

> Without a new command or function, the repeat loop is essential, I  
> think.
>
> A quick check of Wikipedia suggests several candidate names:
>   relativeComplement
>   setTheoreticDifference
>   complement
>   setDifference
>   difference
>   setDiff
>   diff
>
> See <http://en.wikipedia.org/wiki/Complement_%28set_theory%29>.
>
> Here's what I use:
>
> on set_differenceFromArrays @tArray,pArray,pCaseSensitive
>   local tKey
>   set the casesensitive to (pCaseSensitive is "true")
>   repeat for each key tKey in pArray
>     delete variable tArray[tKey]
>   end repeat
>   delete variable tArray[empty]
> end set_differenceFromArrays
>
> Command set_differenceFromLists uses a similar repeat loop.
>
> -- Dick