| line | !l | l&&!r | l&&r | condition | 
 
| 99 | 162 | 0 | 6 | $in_fh->eof and $content eq '' | 
 
| 106 | 144 | 0 | 18 | $line eq '' || $line =~ /^\s+$/ and $content ne '' | 
 
| 276 | 27 | 4 | 2 | $opt->{'nocomplex'} and $site->{'indel_freq'} == -1 | 
 
| 280 | 25 | 2 | 4 | $opt->{'nosingle'} and $site->{'indel_freq'} <= 1 | 
 
| 288 | 15 | 2 | 4 | defined $opt->{'min'} and $site->{'indel_freq'} / $seq_count < $opt->{'min'} | 
 
| 291 | 15 | 2 | 0 | defined $opt->{'max'} and $site->{'indel_freq'} / $seq_count > $opt->{'max'} | 
 
| 300 | 368 | 73 | 7 | $opt->{'nocomplex'} and $site->{'snp_freq'} == -1 | 
 
| 304 | 361 | 17 | 63 | $opt->{'nosingle'} and $site->{'snp_freq'} <= 1 | 
 
| 308 | 298 | 17 | 63 | defined $opt->{'min'} and $site->{'snp_freq'} / $seq_count < $opt->{'min'} | 
 
| 311 | 298 | 17 | 0 | defined $opt->{'max'} and $site->{'snp_freq'} / $seq_count > $opt->{'max'} |