wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/b42e2972-da78-4743-acfe-f17c3a2e772d/4DNFIA1QPIV7.bam
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/b42e2972-da78-4743-acfe-f17c3a2e772d/4DNFIA1QPIV7.bam 4DNFIA1QPIV7
test "393c364baebc66cf428db522add3e953" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIA1QPIV7