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Re: `du` check for directory loop avoidance
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From: |
Eric Blake |
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Subject: |
Re: `du` check for directory loop avoidance |
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Date: |
Wed, 18 Dec 2013 10:39:26 -0700 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 |
On 12/18/2013 09:46 AM, Jeff Kirkpatrick wrote:
> However, I don't see explicit reasons for the non-zero exit code. If you
> want to ask for the reason, you may write an emailto address@hidden."
>
> Can anyone elaborate on why the decision to use a non-zero exit code?
Because POSIX requires a non-zero exit code any time an error message is
output, including when a directory is skipped due to a directory loop.
http://pubs.opengroup.org/onlinepubs/9699919799/utilities/du.html
--
Eric Blake eblake redhat com +1-919-301-3266
Libvirt virtualization library http://libvirt.org
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