Docker "rm everything"

docker-nuke.sh

#!/bin/bash

cls() { docker container ls -qa; }
ils() { docker image ls -qa; }
vls() { docker volume ls -q; }
nls() {
    an=$(docker network ls | awk '(NR > 1) {print $1" "$2}')
    # remove host default networks
    echo $an | grep -v 'bridge\|host\|none' | awk '{print $1}'
}

containers=$(cls)
if [ -n "$containers" ]; then
    echo "Containers: $containers"
    echo "Stopping"
    docker stop $containers
    echo "Removing"
    docker rm $containers

    unresponsive=$(cls)
    if [ -n "$unresponsive" ]; then
        echo "Unresponsive; killing: $unresponsive"
        docker rm -f $unresponsive
    fi
fi

images=$(ils)
if [ -n "$images" ]; then
    echo "Removing images: $images"
    docker rmi -f $images
fi

volumes=$(vls)
if [ -n "$volumes" ]; then
    echo "Removing volumes: $volumes"
    docker volume rm -f $volumes
fi

networks=$(nls)
if [ -n "$networks" ]; then
    echo "Removing networks: $networks"
    docker network rm $networks;
fi

c=$(cls); i=$(ils); v=$(vls); n=$(nls)
if [ -n "$c$i$v$n" ]; then
    echo "Unable to be removed:"
    if [ -n "$c" ]; then echo "Containers: $c"; fi
    if [ -n "$i" ]; then echo "Images: $i"; fi
    if [ -n "$v" ]; then echo "Volumes: $v"; fi
    if [ -n "$n" ]; then echo "Networks: $n"; fi
    exit 1;
else
    echo "Success"; exit 0
fi