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FileMaker Pro Custom Functions

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Age ( Birth; theDate; Format )

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Average rating: 3.5 (6 votes)
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Geoff Wells, DataIsland Software LLC
http://www.dataisland.com

Calculates Age in three formats

Sample Input:

Age ( 5/14/1946; 5/11/2004; 3 )

Sample Output:

57 years and 11 months, and 27 days

// This is a Custom Function version of calculations provided in "Advanced FileMaker Pro 5.5" by Chris Moyer and Bob Bowers. This formula differs slightly from the ones in the book which do not account for leap years. Let ( leapFactor = If ( Mod ( Year ( theDate ) ; 4 ) = 0 ; 1 ; 0 ); Case ( // Age in years Format = 1 ; Year ( theDate ) - Year ( Birth ) - ( ( DayOfYear ( theDate ) - leapFactor ) < DayOfYear ( Birth ) ); // Age in years and days Format = 2 ; Year ( theDate ) - Year ( Birth ) - ( ( DayOfYear ( theDate ) - leapFactor ) < DayOfYear ( Birth ) ) & " years and " & Case ( ( DayOfYear ( theDate ) - leapFactor ) ≥ DayOfYear ( Birth ) ; DayOfYear ( theDate ) - leapFactor - DayOfYear ( Birth ) ; DayOfYear ( theDate ) + ( DayOfYear ( Date ( 12 ; 31 ; Year ( theDate ) ) - DayOfYear ( Birth ) - leapFactor ) ) ) & " days" ; // Age in years, months and days Format = 3 ; Year ( theDate ) - Year ( Birth ) - ( ( DayOfYear ( theDate ) - leapFactor ) < DayOfYear ( Birth ) ) & " years and " & Mod ( Month ( theDate ) - Month ( Birth ) + 12 - (Day ( theDate ) < Day ( Birth ) ) ; 12 ) & " months, and " & (theDate - Date ( Month ( theDate ) - (Day ( theDate ) < Day ( Birth ) ) ; Day ( Birth ) ; Year ( theDate ) ) ) & " days" ) )
Then copy & paste into FileMaker Advanced's Edit Custom Function window.

Click here to copy To Clip Manager if you have myFMbutler's Clip Manager installed

Description:

The Age function will calculate a persons age, on any date, in three different formats -

1 / Years
2 / Years and Days
3 / Years, Months and Days.

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:

Can you find it.I hop you cn find it in a good.

william royster, ohio
March 26, 2009 7:45am

Just one little addition to the leap year factor that might be easily forgotten...
The year 2000 is not a leap year, because it's divisible by 400.

Let ( leapFactor = If ( Mod ( Year ( theDate ) ; 4 ) = 0 AND Mod ( Year ( theDate ) ; 400 ) ≠ 0 ; 1 ; 0 );

Alexis Gehrt, Laax / Switzerland
November 30, 2009 8:35am

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

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FileMaker Pro Custom Functions

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