usage: archive <subcmd>
create <path> : create archive file
put [--retry] <path> : copy files from EOS to archive location
get [--retry] <path> : recall archive back to EOS
purge[--retry] <path> : purge files on disk
transfers [all|put|get|purge|job_uuid] : show status of running jobs
list [<path>] : show status of archived directories in subtree
kill <job_uuid> : kill transfer
delete <path> : delete files from tape, keeping the ones on disk
help [--help|-h] : display help message