wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/02396346-79d5-4704-a707-400a4dc1ab06/4DNFI4F6P2UE.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/02396346-79d5-4704-a707-400a4dc1ab06/4DNFI4F6P2UE.bw 4DNFI4F6P2UE
test "4c1a768ec39142d02083efb40f23256b" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI4F6P2UE