How do I check whether a variable has an even numeric value?

Question

How should I change this to check whether `val` has an even or odd numeric value? ``` val=2 if $((RANDOM % $val)); ... ```

Accepted Answer

```
$ a=4

$ [ $((a%2)) -eq 0 ] && echo "even"
even

$ a=3

$ [ $((a%2)) -eq 0 ] && echo "even"
```

Solution