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Reply-To:	moss AT cs DOT umass DOT edu
Subject:	Re: find / without traversing /proc
To:	cygwin AT cygwin DOT com
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From:	Eliot Moss <moss AT cs DOT umass DOT edu>
Message-ID:	<6af1dcab-6059-7719-d958-f4d52a901dde@cs.umass.edu>
Date:	Fri, 28 Apr 2017 09:09:30 -0400
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On 4/27/2017 9:11 PM, Andrey Repin wrote:
> Greetings, Václav Haisman!
> 
>> On 27 April 2017 at 10:49, wrote:
>>> The command "find /" takes forever, if it completes at all, because of the
>>> need to traverse the induced directory /proc. Is this directory often
>>> needed by users? Can it be skipped by setting up "export CYGWIN=something",
>>> or even by default, with the requirement on the user to induce it if needed?
>>> There seems to be no switch to the command find that would easily allow
>>> "but not this subdirectory": if there was, I wouldn't be asking. Quite a
>>> lot of surfing led me to
>>> $ find / \( -wholename /proc -o -wholename /dev \) -prune -o -print
>>> which is really heavyweight syntax for a simple requirement. I am pretty
>>> certain it leads to the behaviour required "do not traverse" though various
>>> posters seem to think it just leads to "traverse but do not report" saving
>>> almost nothing.
>>> Assuming the syntax is correct, I have not been able to incorporate any
>>> qualifiers such as -type d or -type f or -type l. Any ideas where to slot
>>> these so that they work?

The -o options are high level "or" choices.  Other flags like -type generally
have "and" semantics, and "and" binds more tightly than "or".  The conclusion
is" put these after your last -o, the filter after the pruning.

Regards - Eliot Moss

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