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 FileMaker Pro Custom Functions

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CollapseList ( listOfValues )

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  Average rating: 4.0  (54 votes)
  Discuss this Custom Function

Michael Horak, *COMMENT Visual Realisation

Collapses a list of values by replacing serially incrementing sections with their range boundaries.

Sample Input:
CollapseList ( listOfValues )
with the following listOfValues:
Invoice 1
Invoice 2
Invoice 4
Invoice 5
Invoice 6
Invoice 7
Invoice 8
Invoice 9
Invoice 10
Invoice 11
Invoice 12
Invoice 18
Receipt 52
Receipt 53
Receipt 54
Sample Output:
Invoice 1, Invoice 2, Invoice 4 to Invoice 12, Invoice 18, Receipt 52 to Receipt 54

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


Collapses a list of values by replacing serially incrementing sections with their range boundaries.

The result is a comma-separated list of ranges and individual values. The list separator and the range placeholder can be easily modified or defined as additional function parameters.

Values are compared in the order they appear in the list. For best results, the list should be sorted in ascending order.

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

This is my Custom Function and I want to edit it


How about this way?

Substitute( listOfValues ; "¶" ; ", ")

Andrey Kolganov, Moscow, Russia
May 19, 2011 4:10am

Try it and see the difference.

comment, VR
May 19, 2011 6:52am

Make a comment about this Custom Function (please try to keep it brief & to the point). Anyone can post:

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