wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/f7f351c9-e0db-4523-888d-1a25bc9c4c39/4DNFIM3ZB77G.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/f7f351c9-e0db-4523-888d-1a25bc9c4c39/4DNFIM3ZB77G.bw 4DNFIM3ZB77G
test "bd4ef605536481ef3fc7581240dfb0ae" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIM3ZB77G