wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/7da682fe-5f6a-4a71-b9cc-8fde24afe8c4/4DNFIFXHD4BA.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/7da682fe-5f6a-4a71-b9cc-8fde24afe8c4/4DNFIFXHD4BA.bw 4DNFIFXHD4BA
test "a784c5b3420f9a72abc08e09a9971937" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIFXHD4BA