wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/wfoutput/256a01c7-2aa9-47ec-bcf9-15c93f56aa77/4DNFIFVI5GB4.bam
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/wfoutput/256a01c7-2aa9-47ec-bcf9-15c93f56aa77/4DNFIFVI5GB4.bam 4DNFIFVI5GB4
test "dfd1e0aeeb45acbf093a1d0c03deedd4" = "$(md5sum undefined)"
drs get -d https://data.4dnucleome.org 4DNFIFVI5GB4