fasta-nr(1) on Linux
The text 0a7c680a62d4, as Debian 12 (Bookworm) shipped it.
Keep the first of identical sequences
Flags it lists
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--help -
-h -
-s
The text 0a7c680a62d4, as Debian 12 (Bookworm) shipped it.
Keep the first of identical sequences
--help
-h
-s