Quick Answer: How Do You Do Addition in Unix?

How do I sum in Unix?

Methods to find Sum of Numbers in a File – Unix

1. Method1: Finding the sum using the bash script. …
2. Method2: Another way of implementing in bash is. …
3. Method3: You can use “Awk” command to find the sum of numbers in a file. …
4. Method4: The “bc” command can be used to do math operations. …
5. Method5: Using “bc” with “paste” command.

How do you add two variables in Unix?

How to add two variables in shell script

1. initialize two variables.
2. Add two variables directly using $(…) or by using external program expr.
3. Echo the final result.