-$ arv-put --portable-data-hash hello.txt
-2018-07-12 13:35:25 arvados.arv_put[28702] INFO: Creating new cache file at /home/example/.cache/arvados/arv-put/1571ec0adb397c6a18d5c74cc95b3a2a
-0M / 0M 100.0% 2018-07-12 13:35:27 arvados.arv_put[28702] INFO: