swarm(1) on Linux
The text b4cd5d661365, as Debian 9 (Stretch) shipped it.
find clusters of nearly-identical nucleotide amplicons
Flags it lists
-
-- -
--fastidious -
--help -
--mothur -
--no-otu-breaking -
--usearch-abundance -
--version -
-f -
-h -
-n -
-r -
-v -
-z