Usage: gdalmanage [--help] [--help-general]
    or gdalmanage identify [-r|-fr] [-u] <files>*
    or gdalmanage copy [-f <driver>] <oldname> <newname>
    or gdalmanage rename [-f <driver>] <oldname> <newname>
    or gdalmanage delete [-f <driver>] <datasetname>