even odd
echo "Please enter a number"
read num
if [ `expr $num % 2` == 0 ]
then
echo "$num is even"
else
echo "$num is odd"
fi
largest of three numbers
echo "please enter 3 numbers"
read num1
read num2
read num3
if test $num1 -gt $num2 -a $num1 -gt $num3
then
echo "$num1 is the greatest"
elif test $num2 -gt $num3
then
echo "$num2 is the greatest"
else
echo "$num3 is the greatest"
fi
calculate net salary
echo "enter basic salary"
read bs
hra=`echo $bs*10/100 | bc`
ta=`echo $bs*15/100 | bc`
da=`echo $bs*2/100 | bc`
pf=`echo $bs*10/100 | bc`
tax=`echo $bs*5/100 | bc`
netsal=`echo $bs+$hra+$ta+$da-$pf-$tax | bc`
echo "net salary is $netsal"
calculate conditional discount and tax
echo "please enter the amount that you want to buy"
read amount
if test $amount -lt 1000
then
tax=`echo $amount \* 2/100 | bc`
discount=`echo $amount \* 10/100 | bc`
else
tax=`echo $amount \* 5/100 | bc`
discount=`echo $amount \* 20/100 | bc`
fi
totalcost=`echo $amount - $tax + $discount | bc`
echo "total cost is $totalcost"
