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

[Eric Blake]

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