wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/e7f479a7-6231-4d40-a2a3-fbc85b7db41b/4DNFIA5TQIXB.bw
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/e7f479a7-6231-4d40-a2a3-fbc85b7db41b/4DNFIA5TQIXB.bw 4DNFIA5TQIXB
test "bca9abd9970e265b744b22ec256ca07f" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIA5TQIXB