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From: Brian Inglis <Brian.Inglis@SystematicSw.ab.ca>
To: cygwin@cygwin.com
Subject: Re: find / without traversing /proc
Date: Fri, 28 Apr 2017 14:07:00 -0000	[thread overview]
Message-ID: <ec9fa913-a335-9713-51dc-1ef86c7853ab@SystematicSw.ab.ca> (raw)
In-Reply-To: <20170427145657.GA9395@phoenix>

On 2017-04-27 08:56, Gary Johnson wrote:
> On 2017-04-27, bonhard 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?
> 
> This isn't exactly what you're looking for because it expands to
> give find a list of places to look rather than just excluding some
> set of directories from one place to look, but it seems to work
> well. You'll need to have the extglob shopt set.
> 
>     $ find /!(dev|proc) ...

I've used find /??? /sbin to exclude /cygdrive, /home, /proc.
 
If I just want to find something I know is somewhere under ... 
I use ls .../**/*something* or .../**/*somedir*/, enabled with 
shopt globstar, and is quicker than find.

-- 
Take care. Thanks, Brian Inglis, Calgary, Alberta, Canada

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  reply	other threads:[~2017-04-27 17:16 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-04-27 16:31 bonhard
2017-04-27 17:16 ` Václav Haisman
2017-04-27 19:15   ` Andrew Schulman
2017-04-28 17:19   ` Andrey Repin
2017-04-28 18:38     ` Eliot Moss
2017-04-29  0:35     ` Eric Blake
2017-04-29 15:11       ` Andrey Repin
2017-04-30 21:37         ` Greywolf
2017-04-30 23:19           ` Greywolf
2017-04-28 10:05 ` Gary Johnson
2017-04-28 14:07   ` Brian Inglis [this message]
2017-04-28 13:09 Ugly Leper

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