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 FileMaker Pro Custom Functions

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FractionNumerator

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  Average rating: 4.6  (32 votes)
  Discuss this Custom Function

Brett Buchmiller, None
www.filemaker.com

Extracts numerator from a string representing a fraction.

Sample Input:
FractionNumerator( "3/8" )

FractionsNumerator( "5/16" )

FractionNumerator( "3 7/8" )
Sample Output:
3

5

31


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

Description:

Extracts the numerator from a string representing a fraction. Will work with improper fractions as well as mixed numbers. Result is numeric.

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 function fails on negative inputs.
FractionNumerator("-5 1/2") returns -9, but the correct value to return is -11.

The last line, "GetAsNumber(Middle..." should be added to the value preceding it if WholeNumber is positive, but subtracted from it if WholeNumber is negative.

John Sauer, Boston, MA
March 07, 2018 9:21am

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