wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/dc4478e6-8159-471d-be5d-e2d7dd599d88/4DNFIUEEASZU.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/dc4478e6-8159-471d-be5d-e2d7dd599d88/4DNFIUEEASZU.bw 4DNFIUEEASZU
test "485bee78e72d469df0bed3261a5467e3" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIUEEASZU