wget https://github.com/torognes/vsearch/releases/download/v2.26.1/vsearch-2.26.1-linux-x86_64.tar.gz
tar xzf vsearch-2.26.1-linux-x86_64.tar.gz
(完整路径)/bin/vsearch去冗余
${software_path}/Vsearch/vsearch-2.26.1-linux-x86_64/bin/vsearch --derep_prefix ${num}_clean_merge.fastq --output ${num}_clean_merge_derep.fasta?