Unix Shell Program on Student Marks to calculate Percentage and Class.

Program:

echo "Enter name of the student"

read name

echo "enter roll number"

read num

echo "Enter the marks of the student"

read m1 m2 m3 m4 m5

echo "Name of the student is $name"

echo "number of the student is $num"

echo "marks obtained"

echo "m1 m2 m3 m4 m5"

echo $m1 $m2 $m3 $m4 $m5

per=`echo \($m1 + $m2 + $m3 + $m4 + $m5\) /5|bc`

echo Percentage is $per

if test $per -ge 60

then

echo "Grade:first"

elif test $per -ge 50 -a $per -le 59

then

echo "grade:second"

elif test $per -ge 40 -a $per -le 49

then

echo "grade:third"

else

echo "fail"

fi

Input/OutPut

Enter name of the student

Vedant

enter roll number

Y20MC15001

Enter the marks of the student

90 80 90 80 90

Name of the student is Vedant

number of the student is Y20MC15001

marks obtained

m1 m2 m3 m4 m5

90 80 90 80 90

Percentage is 86

Grade:first