only filter based on svlen once length is calculated
only filter based on svlen once length is calculated

chapmanb/metasv,chapmanb/metasv,chapmanb/metasv,bioinform/metasv,msahraeian/metasv,bioinform/metasv,bioinform/metasv,msahraeian/metasv,msahraeian/metasv