/usr/share/dune-grid/grids/dgf/examplegrid11.dgf is in libdune-grid-dev 2.5.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | DGF
Interval
% first interval
0 0 5 % first corner
25 10 10 % second corner
5 1 2 % 8 cells in x, 2 in y, and 2 in z direction
% second interval
25 -10 0 % first corner
30 10 10 % second corner
3 2 4 % 2 cells in x, 2 in y, and 4 in z direction
% third interval
0 -0 0 % first corner
25 -10 10 % second corner
5 1 4 % 2 cells in x, 2 in y, and 4 in z direction
#
BOUNDARYDOMAIN
default 3 % default boundary id
% ... further domain ...
#
# examplegrid11.dgf
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