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 FileMaker Pro Custom Functions

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ListXor ( ListA ; ListB ; Counter )

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  Average rating: 4.5  (40 votes)
  Discuss this Custom Function

Daniel Wood, Digital Fusion Ltd
http://www.digitalfusion.co.nz

Returns everything in one list, but not the other (and vice versa)

Sample Input:
ListXor ( List("A";"B";"C") ; List("C";"D";"E") ; 1 )
Sample Output:
A
B
D
E


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

Description:

Returns everything in one list, but not the other list (and vice versa). This is a recursive function - the maximum number of iterations is restricted to the number of items in the largest list.

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:

This recursive function refers to the XORValues function instead of itself. This issue fixed, the function seems to work.

Gilles Berkovitch, France
April 24, 2016 1:02am

Then, a simplified version could be:

If ( Counter > ValueCount ( ListA ) And Counter > ValueCount ( ListB )
; ""
; Let ( [ ValueA = GetValue ( ListA ; Counter )
; ValueB = GetValue ( ListB ; Counter )
]
; List ( If ( Not IsEmpty ( ValueA ) And IsEmpty ( FilterValues ( ListB ; ValueA ) ) ; ValueA ; "" )
; If ( Not IsEmpty ( ValueB ) And IsEmpty ( FilterValues ( ListA ; ValueB ) ) ; ValueB ; "" )
; ListXor ( ListA ; ListB ; Counter + 1 )
)
)
)

Gilles Berkovitch, France
April 24, 2016 4:35am

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