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What is the opposite of @KEYWORDS

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John Osell

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Jul 4, 1996, 3:00:00 AM7/4/96
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I use @keywords to give me a list of items that appear in lista and listb
which works fine.

But, how do I return a list of keywords in listb that do not exist lista.

Thx,
John O.

ArtTur

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Jul 4, 1996, 3:00:00 AM7/4/96
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In article <4rh20r$j...@wolfe.wimsey.com>, joh...@awcda.com (John Osell)
writes:

>Subject: What is the opposite of @KEYWORDS
>From: joh...@awcda.com (John Osell)
>Date: 4 Jul 1996 18:20:11 GMT

Use the @replace function.
e.g. answer:=@trim(@replace(lista; listb;"")
newlist:=@explode(@implode(answer;";");";")
replace matching values with blank and trim out the blanks
then rebuild multiple values (you could do this in one line)

Arthur
you will also need to perform

John Osell

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Jul 8, 1996, 3:00:00 AM7/8/96
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Thanks Arthur. Just one question, is the above reply complete. The last sentence looks unfinished.


Thx,
John O.

ArtTur

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Jul 9, 1996, 3:00:00 AM7/9/96
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In article <4rrq1g$l...@wolfe.wimsey.com>, joh...@awcda.com (John Osell)
writes:

>Subject: Re: What is the opposite of @KEYWORDS
>From: joh...@awcda.com (John Osell)
>Date: 8 Jul 1996 20:11:28 GMT

Yes the last line is complete. I was basically saying that rather that
splitting the the formula into a number of lines you could put specify the
formula in one line.


ans:=@explode(@implode(@trim(@replace(lista; listb;""));";");";")

Arthur

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