//      OperObjects
//      Yesterday Program
//
//	Returns the previous date's datestring (YYYYmmdd) given
//	today's datestring.
//
//      Copyright © 1994-1997
//      Oklahoma Climatological Survey
//      All Rights Reserved.



//included files below
#include "OpInclude.h"
#include "OpDateTime.cpp"



void main(int argc, char * argv[])
{
	char ioDateTimeString[15];
	strcpy(ioDateTimeString,argv[1]);
	if ((strlen(ioDateTimeString)) != 8)
	{
		cout << "ERROR!: Input string not equal to 8 char \n";
	}
	else
	{
		OpDateTime theDay(ioDateTimeString);
		theDay.SubtractOne(day);
		strncpy(ioDateTimeString,theDay.GetString(),8);
		cout << ioDateTimeString << "\n";
	}
}



//				END OF FILE