Imports github.com/shirou/gopsutil/mem github.com/neilotoole/errgroup github.com/spf13/pflag github.com/RoaringBitmap/roaring github.com/RoaringBitmap/roaring/roaring64 github.com/shenwei356/bio/seqio/fastx github.com/shenwei356/kmers Standard library imports bufio bytes context fmt io log os regexp runtime sort strings time