Answer to Question #255989 in UNIX/Linux Programming for Kar

Question

Write a script to print the marks of 5 subjects then calculator Sum and average. Hint (m1+m2+m3+m4+m5)/5

Answer 1

# Write a script to print the marks of 5 subjects 
# then calculator Sum and average. Hint (m1+m2+m3+m4+m5)/5

if [[ "$#" -ne "5" ]]; then 
  echo "Usage: $0 mark1 mark2 mark3 mark4 mark5"
  exit 1
fi

sum=0
for x in $@; do
  sum=$(($sum+$x))
done

echo "Sum: $sum"
echo "Avg: " $(($sum/5))