dockertestandinstall.sh

#!/bin/bash
# set -x

if [ -n "$SUDO_USER" ]; then
    echo "Hello $SUDO_USER!!"
elif [ "$EUID" -eq 0 ]; then
    echo "This script should NOT be run as root, please run it as a regular user with sudo."
    exit 1
else
    echo "Please run as a regular user with sudo."
    exit 1
fi

if command -v docker &> /dev/null 
then
    echo "Docker is installed."
else
    echo "Docker is not installed."
    read -p "Do you want to install it, via docker.com's get-docker.sh? (Y/n): " answer

case ${answer:0:1} in
    n|N )
        echo "okey doke! ciao"
        ;;
    * )
    curl -fsSL https://get.docker.com -o get-docker.sh
    sh get-docker.sh
    usermod -aG docker $SUDO_USER
    systemctl start docker
    
        ;;
esac
    
fi