H5Utils::AppOpts Node1 H5Utils::AppOpts + exit_code Node2 H5Utils::TreeCopyOpts + chunk_size + n_entries + verbose + print_interval Node2->Node1 +tree Node3 std::string Node3->Node2 +selection +branch_regex Node6 H5Utils::IOOpts Node3->Node6 +tree +out Node7 std::vector< std::string > Node3->Node7 +elements Node4 std::basic_string< char > Node4->Node3 Node5 std::vector< size_t > + elements Node5->Node2 +vector_lengths Node6->Node1 +file Node7->Node6 +in