Brian Dunning's FileMaker Custom Functions

IsTimeOfDay ( _var )

return number of seconds since midnight if valid or nothing if invalid

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Rewolfer   Rewolfer
http://rewolfer.de

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  Sample input:
IsTimeOfDay ( "23:1:13" )
IsTimeOfDay ( "11:01:13 PM")
  Sample output:
82873

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

/*=================================================

FORM: IsTimeOfDay ( _var )

PURPOSE: return number of seconds since midnight if valid or NOTHING if invalid

PARAMETER: _var format: unknown value:variable

RESULT: number of seconds since midnight if valid or NOTHING if invalid

DEPENDENCY: -

NOTE: check with IsEmpty ( IsTimeOfDay ( _var )) instead of GetAsBoolean ( IsTimeOfDay ( _var )) since IsTimeOfDay ( 0:0 ) is valid
valid timeOfDay: 17:09:56 / 17:9:56 / 5:9 PM / 5:09 p.m. / not 170956 / not 123:34
tolerates whitespace
accepts AM/PM notation
see my other function IsTime ( _var )

EXAMPLE: IsTimeOfDay ( "23:1:13" ) => 82873
IsTimeOfDay ( "11:10:13 PM" ) => 82873
IsTimeOfDay ( "26:30" ) => ""

HISTORY: 2012-04-13 [235325] 1.00 tsw turned into IsTimeOfDay() to be valid in #VarType
2012-04-26 [005836] 1.10 tsw integrated AM/PM

DEVELOPER: tsw @ http://rewolfer.de

=================================================*/

 

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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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