Table of Contents

Loops

For-loop

Two ways are available to perform a for-loop: 

#!/bin/bash
 
echo "1st method"
for ((i=0; i<5; i=i+1)); do
    echo $i
done
 
echo "2nd method"
for i in {4..0}; do
    echo $i
done

While-loop

#!/bin/bash
 
i=0
while [[ i -lt 5 ]]; do
    echo $i
    i=$((i + 1))
done