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Calculate the differece between two dates
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Here's a function that calculates the difference between 2 dates that are available as 3 integers (e.g. 5th of April 2003 would be passed as 2003,4,5).
This routine does not take leap years into account.
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@monthnames = ('Jan','Feb','Mar', 'Apr','May','Jun', 'Jul','Aug','Sep', 'Okt','Nov','Dez'); @monthdays = (0,31,59,90,120,151,181,212,243,273,303,334); #============================================================================== # difference between 2 dates: # 2003-8-1 and 2003-7-29 --> # ddiff(2003,8,1,2003,7,29) = 3 sub ddiff { local($ny,$nm,$nd,$oy,$om,$od) = @_; return ($ny-$oy) * 365 + $monthdays[$nm-1]-$monthdays[$om-1] + ($nd-$od); } | ||
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