Shell Programming and Scripting

item,quantity,unit price,total
tea,1,1,1
coffee,3,4,12
sugar,5,2.5,12.5
tea,2,1,3
coffee,2,4,8

a=0
for b in `cut -f4 -d ',' log`
do
c=`echo $a + $b | bc`
a=$c
done
echo "$a and $c"

a=0
for b in `cut -f4 -d ',' log`
do
c=`echo $a + $b | bc`
a=$c
done
echo "Total sales for today is : $a"
                                                                                
                                                                                
cut -f1 -d ',' log |grep -v item| sort -u >> 1
for a in `cat 1`
do
touch $a
done
                                                                                
                                                                                
for a in `cat log`
do
b=`echo $a|cut -f1 -d ','`
c=`grep $b 1| wc -l`
if [ $c -ge 1 ]
then
echo $a >> $b
fi
done
 
for a in `cat 1`
do
c=0
for b in `cat $a |cut -f2 -d ','`
do
d=`echo $b + $c | bc` #expr $b + $c`
c=$d
done
echo "$a quantity with : $c" >> bhu_out
done
f=`cut -f2 -d ":" bhu_out | sort -r | head -1`
g=`grep $f bhu_out | cut -f1 -d ' '`
h=`grep $f bhu_out | cut -f2 -d ':'`
echo "$g is the highest selling item with quantity : $h"

	cut -f1 -d ',' log |grep -v item| sort -u >> 1
	for a in `cat 1`
	do
	touch $a
	done