Submitted Questions

  • Shell Script to Add File Extension

    Write a small shell script that adds an extension ".new" to all the files in a directory.


    • Jun 9th, 2017

    For f in *; do mv $f ${f}.new; done


    • Oct 25th, 2016

    For item in `ls`; do mv $item ${item}.new; done

    1. for item in `ls`; do mv $item ${item}.new; done

  • Lab Testing with Limited Resource

    How do you assure the quality of a system that in production is deployed to several large servers so as to scale to thousands of users and handle millions of data points when all you have is a test lab with much more limited resources?

  • Print Sum of Digits

    Write a function to print sum of the digits in a given integer n without converting it to String. For example : if n = 1234 the function should return 1+2+3+4 = 10 if n = 15 the function should return 1+5 =6 if n = 5 the function should return 5.