HARD_LINK_COUNT get the number of hard links to a file

requires: java

Ref: * <https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/nio/file/Files.html#getPosixFileAttributes(java.nio.file.Path>,java.nio.file.LinkOption...) * <https://docs.oracle.com/javase/tutorial/essential/io/links.html>

function c = hard_link_count(p)
arguments
  p (1,1) string
end

c = [];

if stdlib.isoctave()
  s = stat(p);
  if ~isempty(s)
    c = s.nlink;
  end
elseif ispc || ~isfile(p)
  return
else
  c = java.nio.file.Files.getAttribute(javaPathObject(p), "unix:nlink", javaLinkOption());
end

end

%!test
%! if ispc, return; end
%! assert(hard_link_count('hard_link_count.m') >= 1)

Published with MATLAB® R2024b