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SetVar ( InValue )

Assign value to a variable, making sure variable exists if value is empty.

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Richard DeShong - Show more from this author Logic Tools http://logictools.com

  Function definition: (Copy & paste into FileMaker's Edit Custom Function window)

Case ( IsEmpty ( InValue ); "Empty"; InValue ) /* Makes sure variable is set to something. This is complementary to SetField(). */ Click to copy

~~~ Design Notes ~~~

This is part of a series of SET functions:
SetVar and SetField

These are all designed to work with variables and to
keep the variables from being un-set (removed from memory),
by using the string "Empty" to indicate IsEmpty().

Example:
If a field, MyField, is empty and I use SetVar(),
MyVariable = SetVar( MyField )
Tnen MyVariable is now = "Empty".

These are related to a series of LIST functions.
ListAdd, ListAddUnique, ListExist, ListGet, ListToggle.

Which are designed to work with variables and the "Empty" idea.

~~~

 

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