wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/81f69d5b-e5d0-438b-9f16-9231b8327810/4DNFI5QYQTVQ.bam
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/81f69d5b-e5d0-438b-9f16-9231b8327810/4DNFI5QYQTVQ.bam 4DNFI5QYQTVQ
test "471bbe972960b01f8b7708aaab72e871" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFI5QYQTVQ