wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/3de0cf0e-5e4b-4007-9e32-2f97eaf0879a/4DNFINJXFLNM.flex
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/3de0cf0e-5e4b-4007-9e32-2f97eaf0879a/4DNFINJXFLNM.flex 006010026.flex
test "1b3123c1845d5f8f66efe5916e1f998b" = "$(md5sum 006010026.flex)"
drs get -d https://data.4dnucleome.org 4DNFINJXFLNM