Gggg g gggg gg g ggggggggg gggg ggg G'g!

gggg.sh

#!/usr/bin/sh

gGGG() {
    GggGg='s/[a-z0-9]/g/g';
    GggGG='s/[A-Z]/G/g';
    g_ggG="$(printf '%s' "${1}" | sed -e "${GggGg}" -e "${GggGG}")";
    g_ggG_G=0;
    while [ "${g_ggG_G}" -ne 1 ]; do
        if [ ! -e "${g_ggG}" ]; then
            g_ggG_G=1;
        else
            Gggggg_ggg="$(shuf -i 0-3 -n 1)"
            case "${Gggggg_ggg}" in
                0) ggG_gggg='g';;
                1) ggG_gggg='G';;
                2) ggG_gggg='_';;
                3) ggG_gggg='.';;
            esac;
            g_ggG="${g_ggG}${ggG_gggg}";
        fi;
    done;
    mv -n "${1}" "${g_ggG}" 2>/dev/null 1>&2 && printf '%s\n' "${g_ggG}";
}

gggg() {
    GggGg='s/[a-z0-9]/g/g';
    GggGG='s/[A-Z]/G/g';
    if [ -f ${1} ]; then
        sed -e "${GggGg}" -e "${GggGG}" -i "${1}";
        gGGG "${1}";
    elif [ -d "${1}" ]; then
        cd "${1}" && for G_g in *; do
            if [ "${G_g}" != '*' -a -n "${G_g}" ]; then
                gggg "${G_g}";
            fi;
        done && cd ..;
        if [ "${1}" != '/' ]; then
            ggG_ggggGGg_G="$(realpath "${1}")";
            #gGGG "${ggG_ggggGGg_G}";
        fi;
    else
        printf '%s: Gg gggg gggg gg ggggggggg.\n' "${1}";
        return 1;
    fi;
    return 0;
}