This file is indexed.

/usr/share/xscreensaver/config/blocktube.xml is in xscreensaver-gl-extra 5.15-3ubuntu1.

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
<?xml version="1.0" encoding="ISO-8859-1"?>

<screensaver name="blocktube" _label="BlockTube">

  <command arg="-root"/>

  <number id="delay" type="slider" arg="-delay %"
          _label="Frame rate" _low-label="Low" _high-label="High"
           low="0" high="100000" default="40000"
          convert="invert"/>

  <number id="holdtime" type="slider" arg="-holdtime %"
          _label="Color hold time" _low-label="Short" _high-label="Long"
          low="10" high="2000" default="1000"/>

  <number id="changetime" type="slider" arg="-changetime %"
          _label="Color change time" _low-label="Short" _high-label="Long"
          low="10" high="1000" default="200"/>

  <boolean id="tex"     _label="Textured"  arg-unset="-no-texture"/>
  <boolean id="wire"    _label="Wireframe"   arg-set="-wireframe"/>
  <boolean id="showfps" _label="Show frame rate" arg-set="-fps"/>

  <_description>
Draws a swirling, falling tunnel of reflective slabs. They fade from
hue to hue.

Written by Lars R. Damerow; 2003.
  </_description>
</screensaver>