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 FileMaker Pro Custom Functions

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BusinessDays ( startDate ; endDate )

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  Average rating: 4.1  (38 votes)
  Discuss this Custom Function

Jeremy Bante,
https://github.com/jbante/

Returns the number of business days between two dates (inclusive)

Sample Input:
BusinessDays ( Date ( 11 ; 10 ; 2011 ) ; Date ( 11 ; 30 ; 2012 ) )
Sample Output:
265


 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:

This function returns the number of business days (non-holiday weekdays) between startDate and endDate (including both startDate and endDate).

This function is dependent on the BusinessHolidays ( calendarYear ) function to produce a list of observed holidays in a given year.

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:

Business Days() imposes a severe performance hit of several seconds if the startDate parameter is empty, and returns a ? as the result.

I added a case statement to a modified version of the function so that if the startDate or endDate are empty, or the endDate<startDate, the function returns a null value and doesn't try to evaluate - viz:

Case(
IsEmpty(startDate);"";
IsEmpty(endDate);"&qu ot;;
endDate<startDate;"";

Let ...
)

HTH

Brian

Brian Rich, Hampshire UK
February 22, 2012 2:25am

Thank you for letting me know. Normally I prefer to let the consequences of bad input filter through, but performance is different. I opted to return "?" rather than null to be consistent with error behavior for FileMaker-native functions.

Jeremy Bante, USA
February 22, 2012 5:19am

can i have coding for buisness days function?

aruna, india
November 29, 2013 4:45am

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