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FileMaker Pro Custom Functions

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DayCounter ( Date_Start ; Date_End; Days_of_Week )

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Joshua Morton, JEM Consulting
http://jemconsulting.net

Counts number of times a day or days occurs over a date range

Sample Input:

_DayCounter ( Date ( 1 ; 1 ; 2010 ) ; Date ( 3 ; 31 ; 2010 ) ; "2¶4" )

Sample Output:

/*_DayCounter ( Date_Start ; Date_End; Days_of_Week ) Author Joshua Morton - JEM Consulting Parameters Date_Start - any calendar date; Date_End - any calendar date; Days_of_Week - a list of days of week (as numbers), separated by carriage returns (1=Sunday, 7 = Saturday). Data type returned number Description Returns a number counting only those days in the specified range whose day-of-week is included in the weekDays parameter. Thanks to Michael Horak, *COMMENT Visual Realisation for their inspiration July 28, 2010 */ Case ( Date_Start and not IsEmpty ( FilterValues ( DayOfWeek ( Date_Start ) ; Days_of_Week ) ) ; 1 ) + Case ( Date_Start < Date_End ; _DayCounter ( Date_Start + 1 ; Date_End ; Days_of_Week ) )
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:

For example if you want to know how many Mondays and Wednesday occur between Jan 1st and March 31st. (For example in 2009 it was 25 in 2010 it as 26)

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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FileMaker Pro Custom Functions

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