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Re: [coreutils] Re: [PATCH 2/2] stat: print timestamps to full resolutio


From: Eric Blake
Subject: Re: [coreutils] Re: [PATCH 2/2] stat: print timestamps to full resolution
Date: Thu, 21 Oct 2010 09:37:11 -0600
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.9) Gecko/20100921 Fedora/3.1.4-1.fc13 Mnenhy/0.8.3 Thunderbird/3.1.4

On 10/21/2010 09:33 AM, Jim Meyering wrote:
Then, to get full seconds.nanoseconds, you'd use a format like %X.%:X
and if you want only milliseconds, you'd use %X.%3.3:X

Oops.
I forgot to zero-pad.  Otherwise, with<  100,000,000ns in the first
case or<  100 in the 2nd, and the above would print invalid numbers.

This is the right way:

   To get full seconds.nanoseconds, you'd use a format like %X.%0:X
   and if you want only milliseconds, you'd use %X.%03.3:X

Do we really want to require that users must manually 0-pad, or can we explicitly state that %:X has a minimum width of min(precision,9), and 0 padding is only needed if you want a width greater than 9.

--
Eric Blake   address@hidden    +1-801-349-2682
Libvirt virtualization library http://libvirt.org



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