#!/bin/bash CURRENTYEAR=$(date +'%Y') CURRENTDAYOFYEAR=$(date +'%j') while [ $CURRENTYEAR != 1998 ] do CURRENTYEAR=$(expr $CURRENTYEAR - 1) if [ `expr $CURRENTYEAR % 4` -ne 0 ] then echo hi > /dev/null elif [ `expr $CURRENTYEAR % 400` -eq 0 ] then CURRENTDAYOFYEAR=$(expr $CURRENTDAYOFYEAR + 1) elif [ `expr $CURRENTYEAR % 100` -eq 0 ] then echo hi > /dev/null else CURRENTDAYOFYEAR=$(expr $CURRENTDAYOFYEAR + 1) fi if [ $CURRENTYEAR == 1998 ] then CURRENTDAYOFYEAR=$(expr $CURRENTDAYOFYEAR + 15) else CURRENTDAYOFYEAR=$(expr $CURRENTDAYOFYEAR + 365) fi done echo $CURRENTDAYOFYEAR