This file is indexed.

/usr/share/psychtoolbox-3/PsychHardware/PR650Toolbox/PR650close.m is in psychtoolbox-3-common 3.0.11.20131230.dfsg1-1build1.

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
function PR650close
% PR650close
%
% Close serial port used to talk to colorimeter.  Reset
% serial global.
%

global g_serialPort g_useIOPort;

if g_useIOPort
	if ~isempty(g_serialPort)
		IOPort('Close', g_serialPort);
		g_serialPort = [];
	end
else
	if ~isempty(g_serialPort)
		SerialComm('close', g_serialPort);
		g_serialPort = [];
	end
end