Usage: gdalmdiminfo [--help] [--long-usage] [--help-general]
                    [[-summary]|[-detailed]]
                    [-nopretty] [-array <array_name>] [-limit <number>]
                    [-oo <NAME>=<VALUE>]... [-if <format>]...
                    [-arrayoption <NAME>=<VALUE>]... [-stats]
                    <dataset_name>

Note: gdalmdiminfo --long-usage for full help.