-c reference sequences given on cmd line (as <reference_in>)
--large-index
force generated index to be 'large', even if ref has fewer than 4 billion nucleotides
-a/--noauto
disable automatic -p/--bmax/--dcv memory-fitting
--bmax <int>
max bucket sz for blockwise suffix-array builder
--bmaxdivn <int>
max bucket sz as divisor of ref len (default: 4)
--dcv <int>
diff-cover period for blockwise (default: 1024)
--nodc disable diff-cover (algorithm becomes quadratic)
-r/--noref
don't build .3/.4.bt2 (packed reference) portion
-3/--justref
just build .3/.4.bt2 (packed reference) portion
-o/--offrate <int>
SA is sampled every 2^offRate BWT chars (default: 5)
-t/--ftabchars <int>
# of chars consumed in initial lookup (default: 10)
--conversion-table <file name>
a table that converts any id to a taxonomy id
--taxonomy-tree
<file name> taxonomy tree
--name-table
<file name> names corresponding to taxonomic IDs
--size-table
<file name> table of contig (or genome) sizes
--seed <int>
seed for random number generator
-q/--quiet
verbose output (for debugging)
-p/--threads <int>
number of alignment threads to launch (1)
--kmer-count <int>
k size for counting the number of distinct k-mer
-h/--help
print detailed description of tool and its options
--usage
print this usage message
--version
print version information and quit