This file is indexed.

/usr/lib/vtk-5.8/tcl/vtkrendering/vtkrendering.tcl is in tcl-vtk 5.8.0-14.1ubuntu3.

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
package require -exact vtkgraphics 5.8
package require -exact vtkimaging 5.8

catch {
    unset __tk_error
}

namespace eval ::vtk::rendering {
  proc SetWin32ExitCallback {} {
    # Set the default exit method of vtkWin32RenderWindowInteractor to
    # call the Tcl 'exit' command
    if {[info commands vtkWin32RenderWindowInteractor] != ""} {
      if {[catch {
        # this exit method is called when the user exists interactively
        # (such as pressing 'e' or 'q'). An extra reference is added to 
        # the callback command used to process it by the
        # vtkSubjectHelper::InvokeEvent method. If the callback exits the
        # application immediately in its Execute() method, this reference
        # is never removed and the object leaks. Using 'after idle' allows
        # the stack to unwind far enough. This is similar to Win32
        # PostQuitMessage() logic.
        vtkWin32RenderWindowInteractor __temp_vtkwin32iren__
        __temp_vtkwin32iren__ SetClassExitMethod {after idle exit}
        __temp_vtkwin32iren__ Delete
      } errormsg]} {
        puts $errormsg
      }
    }
  }
}

if {[info commands ::vtk::init::require_package] != ""} {
  if {![info exists __tk_error] && \
       [::vtk::init::require_package vtkRenderingTCL 5.8]} {
    ::vtk::rendering::SetWin32ExitCallback
    package provide vtkrendering 5.8
  }
} else {
  if {![info exists __tk_error] && \
        ([info commands vtkAxisActor2D] != "" || \
        [::vtk::load_component vtkRenderingTCL] == "")} {
    ::vtk::rendering::SetWin32ExitCallback
    package provide vtkrendering 5.8
  }
}