df across hosts

.bashrc

MY_HOSTS="list of hosts I own"

_dff ()
{
    local df
    df="$(
        TAIL=+1
        {
            echo /
            echo /tmp
            echo /home
            find /media/ "/media/${USER}" -mindepth 1 -maxdepth 1 -type 'd' -exec sh -c 'mountpoint -q "$1" && echo "$1"' _ {} \; 2>/dev/null
        } |
            while read -r MP
            do
                df -h "$MP" | tail -n${TAIL}
                TAIL=+2
            done
    )"
    echo "${df}" | head -n1
    echo "${df}" | tail -n+2 |
        sort --key=6 | uniq |
        GREP_COLOR=1 grep -E --color=always '^.*/$|$'
}

dff ()
{
    _dff

    # shellcheck disable=SC2043
    for HOST in $MY_HOSTS
    do
        if [ "${HOST}" != "${HOSTNAME}" ]
        then
            echo
            printf "Checking %s… " "${HOST}"
            # shellcheck disable=SC2029
            if ! ssh -o ConnectTimeout=3 "${HOST}" "printf \"\\r$( tput el 2>/dev/null ; tput smul 2>/dev/null )${HOST}$( tput sgr0 2>/dev/null )\\n\"; $( type _dff | tail -n+2 ); _dff" 2>/dev/null
            then
                echo "failed to connect"
            fi
        fi
    done
}