wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/34d0b6c4-3047-483d-9dff-8c5cf94aa541/4DNFIU7FA2MJ.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/34d0b6c4-3047-483d-9dff-8c5cf94aa541/4DNFIU7FA2MJ.bw 4DNFIU7FA2MJ
test "d587f869fb6a0f01cf33bec5d71a58ac" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIU7FA2MJ