#!/bin/sh
get_date() {

#Variables for get_date
YEAR="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % `date +%y` + 1 + 2000)"
MONTH="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % 12 + 1)"
LONGDAY="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % 31 + 1)"
REGDAY="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % 30 + 1)"
SHORTDAY="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % 28 + 1)"
LEAPDAY="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % 29 + 1)"
HOUR="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % 23 + 1)"
MINUTE="$(expr `date +%S | ps | sum | cksum | cut -c 1-2` % 59 + 1)"

make_date() {
if [ "$MONTH" -eq 1 -o "$MONTH" -eq 3 -o "$MONTH" -eq 5 -o "$MONTH" -eq 7 -o "$MONTH" -eq 8 -o "$MONTH" -eq 10 -o "$MONTH" -eq 12 ];
then
		ATIME="$YEAR$MONTH$LONGDAY$HOUR$MINUTE"
		MTIME="$YEAR$MONTH$LONGDAY$HOUR$MINUTE"
else
		if [ "$MONTH" -eq 2 ];
		then
				ATIME="$YEAR$MONTH$SHORTDAY$HOUR$MINUTE"
				MTIME="$YEAR$MONTH$SHORTDAY$HOUR$MINUTE"
		else
				ATIME="$YEAR$MONTH$REGDAY$HOUR$MINUTE"
				MTIME="$YEAR$MONTH$REGDAY$HOUR$MINUTE"
		fi
fi
}

current_year() {
if [ "$MONTH" -lt `date +%m` ];
then
		make_date
else
		if [ "$MONTH" -eq `date +%m` -a "$REGDAY" -lt `date +%d` ];
		then
				make_date
		else
				MONTH=`date +%m`
				REGDAY=`date +%d`
				HOUR=`date +%H`
				MINUTE=`date +%M`
				ATIME="$YEAR$MONTH$REGDAY$HOUR$MINUTE"
				MTIME="$YEAR$MONTH$REGDAY$HOUR$MINUTE"
		fi
fi
}

leap_year() {
if [ "$MONTH" -ne 2 ];
then
		make_date
else
		if [ "$LEAPDAY" -ne 29 ];
		then
				make_date
		else
				ATIME="$YEAR$MONTH$LEAPDAY$HOUR$MINUTE"
				MTIME="$YEAR$MONTH$LEAPDAY$HOUR$MINUTE"

		fi
fi
}

current_leap_year() {
if [ "$MONTH" -ne 2 ];
then
		current_date
else
		if [ "$LEAPDAY" -ge `date +%d` ];
		then
				LEAPDAY=`date +%d`
				HOUR=`date +%H`
				MINUTE=`date +%M`
				ATIME="$YEAR$MONTH$LEAPDAY$HOUR$MINUTE"
				MTIME="$YEAR$MONTH$LEAPDAY$HOUR$MINUTE"
		fi
fi
}

if [ "$MONTH" -lt 10 ];
then
		MONTH=0$MONTH
fi
		if [ "$LONGDAY" -lt 10 ];
		then
				LONGDAY=0$LONGDAY
		fi
				if [ "$REGDAY" -lt 10 ];
				then
						REGDAY=0$REGDAY
				fi
						if [ "$SHORTDAY" -lt 10 ];
						then
								SHORTDAY=0$SHORTDAY
						fi
								if [ "$LEAPDAY" -lt 10 ];
								then
										LEAPDAY=0$LEAPDAY
								fi
										if [ "$HOUR" -lt 10 ];
										then
												HOUR=0$HOUR
										fi
												if [ $MINUTE -lt 10 ];
												then
														MINUTE=0$MINUTE
												fi

if [ "$(expr $YEAR % 4)" -eq 0 -a "$YEAR" -eq `date +%Y` ];
then
		current_lep_year
else
		if [ "$(expr $YEAR % 4)" -eq 0 ];
		then
				leap_year
		else
				if [ "$YEAR" -eq `date +%Y` ];
				then
						current_year
				else
						make_date
				fi
		fi
fi
}