tabbed2otutab command
Converts tabbed text file to an OTU table .
Each line in the tabbed text file contains two fields: #1. SeqLabel, #2. OTUlabel.
The SeqLabel field must contain a sample name .
The -output optoin specifies the OTU table filename.
Example
usearch -tabbed2otutab hits.txt -output otutab.txt