[Octave-bug-tracker] [bug #50539] builtin() is unable to call shadowed core isequaln.m

[Rik]

Follow-up Comment #3, bug #50539 (project octave):

If Octave is behaving like Matlab then there is no bug to fix here.

For the motivating issue for this report, I think there is no easy way short
of finding the function yourself.  I would first determine whether you are
running Octave or Matlab and then find the full path to isequaln.m and use
that in the try/catch block.  The function hasn't moved around much in Octave
so you could get by with a fixed string.


fcn_path = fullfile (OCTAVE_HOME, "share", "octave", version (), "m",
"general", "isequaln.m");


Or you could try something like 


fcn_path = file_in_loadpath ("isequaln.m", "all")


and then figure out which version was your replacement and which was the
m-file from the core libraries.


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