How to compare two floating point numbers in Bash?

Question

I am trying hard to compare two floating point numbers within a bash script. I have to variables, e.g.

let num1=3.17648e-22
let num2=1.5

No

Answer 1

You can use awk combined with a bash if condition:

if awk 'BEGIN {exit !('$d1' >= '$d2')}'; then
    echo "yes"
else 
    echo "no"
fi