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 FileMaker Pro Custom Functions

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ZapValues ( ListA ; ListB )

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  Average rating: 4.3  (48 votes)
  Discuss this Custom Function

Ray Cologon, NightWing Enterprises
http://www.nightwing.com.au/FileMaker

Removes the items in ListB from ListA.

Sample Input:
ZapValues ( "Dan¶Ron¶Paul¶Jen¶Greg"; "Ron¶Jen" )
Sample Output:
"Dan¶Paul¶Greg¶"


 Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

The ZapValues function removes from ListA any values which are found in ListB, where ListA and ListB are carriage-return separated text lists.

This provides the logical inverse of FileMaker 7's built-in FilterValues( ) function.

Note: these functions are not guaranteed or supported by BrianDunning.com. Please contact the individual developer with any questions or problems.

This is my Custom Function and I want to edit it

Discuss:

Cool function. Thanks!

Mark de Haas Meijer, Almere
April 06, 2010 3:35am

Very useful !
I've tried to make it, without success.
Thanks a lot :)

F.Bruckert, Tours/France
June 15, 2010 4:26am

Thank you! I have tried 4 of these functions here to date, and this is the only one that handled properly when value being removed was at start of list twice.

ZapValues ( "a¶a¶b¶c¶a" ; "a" ) does return "b¶c"
!!!

Thanks again.

Justin Pakes, Virginia, USA
July 17, 2012 9:28pm

Here is the function without a Return at the end, The function name has been changed to 'RemoveVales';

If (
IsEmpty ( ListA ); Let( $repRemoveValues = ""; "");

Let([

value = LeftValues(ListA; IsEmpty(FilterValues(LeftValues(ListA; 1); ListB)));
value_trim= Substitute(value;¶; "");
$repRemoveValues = If( not IsEmpty(value); $repRemoveValues + 1; $repRemoveValues);
cr = If($repRemoveValues > 1 and not IsEmpty(value_trim); ¶; "")];

cr &
value_trim &
RemoveValues(RightValues(ListA; ValueCount(ListA) - 1); ListB)
)
)

Jon Klassen, Alberta, Canada
August 12, 2014 11:18am

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