Brian Dunning's FileMaker Custom Functions

CountPermutations ( string )

To determine the number of permutations for a string of characters

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Maarten Witberg   Maarten Witberg

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  Sample input:
CountPermutations ( "12341" )
  Sample output:

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

needs sub function (embedded here for efficiency). algorithm builds a formula along the lines of

((....( stringlength! / numberofduplicate1! ) / numberofduplicate2!)/.........)/numberofduplicateN!)
then evaluates it.



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

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