title: BASH Scripting "while loop"
body: <p>Write a program using ‘While Loop’ that will accept 6 integers from user
  within the range of 6 to 60 and will calculate the Sum of all the inputted
  numbers. If the user enters any other value that doesn’t fall into the range of 6-60,
  an appropriate error message should be shown, and the program should
  ask for input again.</p>