Brian Dunning's FileMaker Custom Functions

WeekdaysDiff ( startDate ; endDate ; format )

Returns the total number of weekdays (Monday to Friday) between the specified dates in the specified format.

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Kurt Otto   Kurt Otto
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  Sample input:
WeekdaysDiff ( "10/4/2005" ; "27/9/2005" ; 0 )

WeekdaysDiff ( "10/4/2005" ; "27/9/2005" ; 1 )
  Sample output:
5

-5

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

Format
------
WeekdaysDiff ( startDate ; endDate ; format )

Parameters
----------
startDate - any date expression or field containing a date.
endDate - any date expression or field containing a date.
format - a number (0 or 1) that describes the display format

Data type returned
----------------
number

Description
----------
Returns the total number of weekdays (Monday to Friday) between the specified dates in the specified format.

0 - returns the absolute difference between the two dates.
1 - returns a negative value if the specifed end date occurs before the specified start date.

Examples
--------
This example assumes that the system date format is DD/MM/YYYY.

WeekdaysDiff ( "10/4/2005" ; "27/9/2005" ; 0 ) returns 5
WeekdaysDiff ( "10/4/2005" ; "27/9/2005" ; 1 ) returns -5

 

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

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