wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/afe0de7c-a827-4b7e-add8-c6a7edaef2e3/4DNFISCDTS2Q.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/afe0de7c-a827-4b7e-add8-c6a7edaef2e3/4DNFISCDTS2Q.flex 005009031.flex
test "8702feebaba8ba0b7df0d3f5ac259637" = "$(md5sum 005009031.flex)"
drs get -d https://data.4dnucleome.org 4DNFISCDTS2Q