AWS Cloudwatch delete all the log streams within a group without deleting the group

delete-cloudwatch-logs-streams.sh

#!/bin/bash

# This is to delete all the log streams within a AWS Cloudwatch Log Group without deleting the group.
# Pass the log group name as first paramter to the script.
# jq utility required.

logGroupName=$1
for i in `aws logs describe-log-streams --log-group-name $logGroupName | jq -r '.[] | .[] | .logStreamName'`
do
        echo "Deleting log stream $i"
        aws logs delete-log-stream --log-group-name $logGroupName --log-stream-name $i > null
done