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 FileMaker Pro Custom Functions

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ValuesIntersection ( ValuesListA; ValuesListB; passNullStringHere )

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  Average rating: 4.9  (18 votes)
  Discuss this Custom Function

Hal Gumbert, CampSoftware
http://campsoftware.com

Returns the Values that are in BOTH ValuesListA and ValuesListB.

Sample Input:
ValuesIntersection ( "1¶2¶3¶4¶5" ; "4¶2¶3" ; "" )
Sample Output:
2¶3¶4


 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:

ValuesIntersection ( ValuesListA; ValuesListB; passNullStringHere )

Hal Gumbert, http://campsoftware.com

Returns the Values that are in BOTH ValuesListA and ValuesListB.

Parameters:
ValuesListA = List of Return delimited data.
ValuesListB = List of Return delimited data.
passNullStringHere = Pass in "" as it's used to store the list of Values in both ValueLists.

Return Value:
The Values that are in BOTH ValuesListA and ValuesListB

Input: ValuesIntersection ( "1¶2¶3¶4¶5" ; "4¶2¶3" ; "" )
Output: 2¶3¶4

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:

Is that different from what FilterValues() does?

eos, Teg
May 11, 2015 12:09pm

It seems to have the same result!

Hal Gumbert, Orlando, FL
May 11, 2015 1:36pm

Indeed … :-) And just for kicks:

// ValuesIntersection ( listToCheck; checkList )

Let ( [

$i = $i + 1 ;

currentValue = GetValue ( listToCheck ; 1 ) ;

remainingToCheck = MiddleValues ( listToCheck ; 2 ; ValueCount ( listToCheck ) - 1 ) ;
remainingToCheck = Left ( remainingToCheck ; Length ( remainingToCheck ) - 1) ;

isMatch = PatternCount ( ¶ & checkList & ¶ ; ¶ & currentValue & ¶ ) ; // where you would use FilterValues() – if it existed … ;-)
$matchCount = $matchCount + isMatch ;
matchValue = Case ( isMatch; Case ( $matchCount > 1 ; ¶ ) & currentValue )

] ;

matchValue & Case ( ValueCount ( remainingToCheck ) ; ValuesIntersection ( remainingToCheck ; checkList ) ; Let ( [ $i = "" ; $matchCount = "" ] ; "" ) )

)

eos, Teg
May 11, 2015 3:57pm

Nice... I like how you removed my unneeded parameter.

Hal Gumbert, Orlando, FL
May 13, 2015 8:21am

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