bash util: cdd - cd backwards recursively until it finds a matching parent dir

gistfile1.txt

# This goes to the closest ancestor dir that matches specified name
cdd(){
    depth=$(pwd | tr -dc '/' | wc -c)
    for ((d=0;d<=depth;d++)); do
        [ $d -eq 0 ] && search_dir="." || search_dir=$(printf '../%.0s' $(seq 1 $d))
        res=( )
        while IFS= read -r -d '' item; do
            res+=( "$item" )
        done < <(find $search_dir -mindepth 1 -maxdepth 1 -type d -name "$1" -print0)
        if [ ${#res[@]} -eq 0 ]; then
            continue
        elif [ ${#res[@]} -eq 1 ]; then
            t="$res"
        elif [ ${#res[@]} -gt 1 ]; then
            select t in "${res[@]}"; do
                break
            done
        fi
        echo "$t"
        cd "$t" && return || { echo "Unknown Error"; return; }
    done
    echo "Not found"
}