python ~/code/bisulfite/methylation-reads-tsv-to_coverage.py 181031_Run_dm6-yeast-control-spike-in.all.BI_w10_a10_b10.reads.tsv.bgz 0.5 181031_Run_dm6-yeast-control-spike-in.all.BI_w10_a10_b10.cutoff_0.5.coverage