js-cli.md

Command Line Interface programs

1. Write a NodeJS program that produces the sum of its arguments:

   $ node sum-args.js 1 2 3 4
   10
   $ node sum-args.js abra kedavra
   NaN
   

2. Write a program that draws a triangle like the one below given the height as an argument (using for and then using while):

   $ node triangle.js 5
   *
   **
   ***
   ****
   *****
   

3. Write a program that receives 2 operands and an operation and produces the result:

   $ node expr.js 15 + 14
   29
   $ node expr.js 2 '*' 3
   6
   $ node expr.js 1234 / 16
   77.125