/usr/share/psychtoolbox-3/PsychFiles/LogVar.m is in psychtoolbox-3-common 3.0.14.20170103+git6-g605ff5c.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 fname = LogVar(var,name,dirnm)
% fname = LogVar(var,name,dirnm)
%
% Turns a variable VAR into a string that evaluates back to the original
% variable, e.g. when feeding it to eval()
% NAME is the name of the variable that will be used in this string
% String will be saved in a text file in the directory DIRNM with as
% filename the name of the variable NAME and the time at which the file is
% written.
%
% DN 2008
str = Var2Str(var,name);
logtijd = clock;
fname = [name ' log ' StrPad(logtijd(1),4,0) '-' StrPad(logtijd(2),2,0) '-' StrPad(logtijd(3),2,0) ' ' StrPad(logtijd(4),2,0) StrPad(logtijd(5),2,0) '.txt'];
fid = fopen(fullfile(dirnm,fname), 'wt');
fprintf(fid,'%s',str);
fclose(fid);
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