Function to help install yum packages in scripts and show progress

install_package.sh

install_packages () {

    yum install  -y -q "$@" &
    yum_pid=$!
    spin='-\|/'

    i=0

    while kill -0 "${yum_pid}" 2>/dev/null; do
        i=$(( (i+1) %4 ))
        printf "\rInstalling Packages... ${spin:$i:1}"
        sleep .1
    done

    if wait "${yum_pid}" ; then
        echo -e "\rInstalling Packages... OK"
    else
        echo -e "\rInstalling Packages... FAIL"
        echo "Error installing packages $*"
        exit 1
    fi
}