wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/8ccc773b-1e75-4ad5-bc55-2e345bcd964c/4DNFIFOC2FA9.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/8ccc773b-1e75-4ad5-bc55-2e345bcd964c/4DNFIFOC2FA9.flex 006009008.flex
test "e7612105f36448741b453ee4b45abf26" = "$(md5sum 006009008.flex)"
drs get -d https://data.4dnucleome.org 4DNFIFOC2FA9