wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/45faebda-b4f5-4575-b464-d4447aeb2ff0/4DNFIFS6M45F.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/45faebda-b4f5-4575-b464-d4447aeb2ff0/4DNFIFS6M45F.flex 006009014.flex
test "47f4cbcde6581aa597114c17ac69ef7d" = "$(md5sum 006009014.flex)"
drs get -d https://data.4dnucleome.org 4DNFIFS6M45F