On 04/07/2014 06:11 PM, Pádraig Brady wrote: > > If we had to make it explicit for backwards compat reasons, > then I suppose counting by characters is the least useful, > so we could just standardize the existing ksh behavior and have: > > printf '%3s' 'blah' # count bytes > printf '%3Ls' 'blah' # count cells > LANG=C '%3Ls' 'blah' # count bytes
If we add %3Ls to the shell, we should also add it to libc's printf(3), which means coordinating with the C committee. > > This has the disadvantage of not degrading gracefully > on dash for example where %Ls is rejected. If a future version of the standard mandates behavior for %Ls, I suspect dash would be made compliant fairly quickly - the dash maintainers strive hard to comply with POSIX. -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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