Brian Dunning's FileMaker Custom Functions

FindDay ( StartDate ; EndDate ; DayN )

Find Dates for week days in an Data range.

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Priyabrata Sahoo, Mindfire Solutions   Priyabrata Sahoo, Mindfire Solutions
Mindfire Solutions
http://www.mindfiresolutions.com/

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  Sample input:
FindDay ("1/1/2014";"1/31/2014";5)
  Sample output:
1/2/2014
1/9/2014
1/16/2014
1/23/2014
1/30/2014

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

The function finds all the dates for a week day for a given date range.

For example:

We need to find what are the dates for the Thurdays in the date range starting from 1/1/2013 to 1/31/2013.

In this case:

The function would be defined as FindDay ("1/1/2014";"1/31/2014";5)

Here the start date and end date in the function parameters are text.
Here the 5 refers to the number that represents Thursday in the week.

Output:

1/2/2014
1/9/2014
1/16/2014
1/23/2014
1/30/2014

For In Valid dates provided in the date range it will return "N".
For Example:
FindDay ("1/1/2014";"1/33/2014";5)


For Reference:

Sunday: 1
Monday: 2
Tuesday: 3
Wednesday: 4
Thursday: 5
Friday: 6
Saturday: 7


FindDay

Function Parameters :

Parameters Type
StartDate : Text
EndDate : Text
DayN : Number

 

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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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