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IsTime ( _var )

return valid time as number of seconds or nothing if invalid

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Rewolfer - Show more from this author http://rewolfer.de

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

/*================================================= FORM: IsTime ( _var ) PURPOSE: return valid time number of seconds or nothing if invalid PARAMETER: _var format: unknown value: variable RESULT: number of seconds or NOTHING if invalid DEPENDENCY: - NOTE: for boolean result check with IsEmpty ( IsTime ( _var )) instead of GetAsBoolean ( IsTime ( _var )) since IsTime ("0:0") is valid see my other function IsTimeOfDay( _var ) EXAMPLE: IsTime ( "1:0:1" ) => 3601 IsTime ( "122330" ) => "" IsTime ( "1:71:71" ) => 7931 (valid FMP-time!) HISTORY: 2012-04-19 [110922] 1.00 tsw branched from IsTimeOfDay() to accept more time values 2012-04-22 [135317] 1.01 tsw optimized and debugged DEVELOPER: tsw @ http://rewolfer.de =================================================*/ Let ([ _time = Trim ( _var ); _colonCount = PatternCount ( _time ; ":" ); _clean = Filter ( _time ; "0123456789:" ) ]; Case ( _clean = _time and _colonCount >= 1 and GetAsTime ( _time ) <> "?" ; GetAsNumber ( GetAsTime ( _time )) ) ) Click to copy

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

FORM: IsTime ( _var )

PURPOSE: return valid time as number of seconds or nothing if invalid

PARAMETER: _var format: unknown value: variable

RESULT: number of seconds or NOTHING if invalid

DEPENDENCY: -

NOTE: for boolean result check with IsEmpty ( IsTime ( _var )) instead of GetAsBoolean ( IsTime ( _var )) since IsTime ("0:0") is valid
see my other function IsTimeOfDay( _var )

EXAMPLE: IsTime ( "1:0:1" ) => 3601
IsTime ( "122330" ) => ""
IsTime ( "1:71:71" ) => 7931 (valid FMP-time!)

DEVELOPER: tsw @ http://rewolfer.de

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

 

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