This file is indexed.

/usr/share/dx/samples/data/Polylines.dx is in dxsamples 4.4.0-3.

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
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
#
# Example of polylines and edges components.
#

#
# Positions array.  These are a list of all the verticies of the object;
#   no particular order is required here.
#
object "position list" class array type float rank 1 shape 2 items 11 
data follows
    0.333985     0.812452    # point number 0
    0.300626     0.727407    # point number 1 
    0.532733     0.076484    # point number 2 
    0.823806    -0.404777    # point number 3 
    0.475019     0.496258    # point number 4 
    0.345888     0.328927    # point number 5 
    0.415428     0.758889    # point number 6 
    0.68152     -0.851137    # point number 7
    0.44636      0.652248    # point number 8 
    0.729132     0.416679    # point number 9 
    0.935709     0.190524    # point number 10 
#
#  Edges array.  This is a list of connected points, by point number.  All
#  the edges associated with a particular polyline need to be listed together.
object "edge list" class array type int rank 0 items 11 data follows
  0   4   2   3                # edge point index 0
  1   5   7                    # edge point index 4
  6   8   9  10                # edge point index 7
attribute "ref" string "positions"

#
#  polylines array.  This is a list of connected edges, by edge number.  Each
#  number is the edge index of where the next polyline starts.
object "polyline list" class array type int rank 0 items 3 data follows
  0     # polyline index 0
  4     #  1
  7     #  2
attribute "ref" string "edges"

#
#  data array. Dependent on polylines 
#
object "data" class array type float rank 0 items 3 data follows
  0 2.5 1.2 
attribute "dep" string "polylines"

#
#
#  Field definition to put the arrays together.
#
object "map" class field
   component "positions"    "position list"
   component "edges"        "edge list"
   component "polylines"    "polyline list"
   component "data"         "data"
end