(find.info)Debug Options

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Enter node , (file) or (file)node

8.1.4 Debug Options
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The '-D' option makes 'find' produce diagnostic output.  Much of the
information is useful only for diagnosing problems, and so most people
will not find this option helpful.

   The list of debug options should be comma separated.  Compatibility
of the debug options is not guaranteed between releases of findutils.
For a complete list of valid debug options, see the output of 'find -D
help'.

   Valid debug options include:
'tree'
     Show the expression tree in its original and optimised form.
'stat'
     Print messages as files are examined with the stat and lstat system
     calls.  The find program tries to minimise such calls.
'opt'
     Prints diagnostic information relating to the optimisation of the
     expression tree; see the '-O' option.
'rates'
     Prints a summary indicating how often each predicate succeeded or
     failed.
'all'
     Enable all of the other debug options (but 'help').
'help'
     Explain the debugging options.