Usage:
  sff-dump [options] [ -A ] <accession>
  sff-dump [options] <path>

	-A, --accession             Accession.

Options:

	-D, --table-path            Path to accession data.
	-O, --outdir                Output directory. Default: '.'
	-N, --minSpotId             Minimum spot id to output.
	-X, --maxSpotId             Maximum spot id to output.
	-G, --spot-group            Split into files by SPOT_GROUP (member).
	-T, --group-in-dirs         Split into subdirectories instead of files.
	-K, --keep-empty-files      Do not delete empty files.
	-L, --log-level             Logging level: fatal|sys|int|err|warn|info. Default: info
	-+, --debug                 debug: APP|KFS|XML|VDB|SRA|REF|LEGREF. Default: APP
	-H, --help                  Prints this message.