Ejercicios de Bash: realizar una suma | Operating systems, scripting, PowerShell and security

Bash

#!/bin/bash
let sum=0
for num in 1 2 3 4 5
do
 let "sum = $sum + $num"
done
echo $sum

#!/bin/bash

let sum=0

for num in 1 2 3 4 5

let "sum = $sum + $num"

done

echo $sum

Ejercicios de Bash: realizar una suma (Bash)