[Octave-bug-tracker] [bug #37333] textscan called with empty whitespace

[Philip Nienhuis]

Follow-up Comment #7, bug #37333 (project octave):

Anyway, while processing your tests I failed to understand the last
(commented) one with "\b" (which if uncommented Just Works).
What exactly did you mean there?

I'll paste in what I made of it (note: double quotes allow \b etc to be
properly interpreted ('\b' remains \b, "\b" becomes a backspace char); forward
slashes as path separators also work on Windows from within Octave):


%% Test adding whitespace "\b" arg
%!test
tc = [];
tc{1, 1} = "C:/code;";
tc{1, end+1} = " C:/code/meas;";
tc{1, end+1} = "C:/code/sim;";
tc{1, end+1} = "C:/code/utils;";
string = [tc{:}];
c = textscan (string, "%s", "delimiter", ";", "whitespace", "\b");
for k = 1:numel (c{1})
  lh = c{1}{k};
  rh = tc{k};
  rh(rh == ";") = "";
  rh = strtrim (rh);
  assert (strcmp (lh, rh));
end



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