AddOrRemoveValue ( listOfValues ; value )
Speedily (and with no recursion/cleanup) remove all instances of a value from a list, or add it, if it's not there.
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Function definition: (Copy & paste into FileMaker's Edit Custom Function window)
Speedily (and with no recursion or cleanup of empty values) remove all instances of a value from a list, if the value exists in the list already, or add it, if not. (For list cleanup try custom function CullNulls).
Debi Fuchs, Aptworks Consulting
Aug 28, 2018
|fixed a bug which caused the function not to work on single-value lists|
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