GNU bug report logs - #34608
date +%+4C is unimplemented, contrary to POSIX

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From: Eric Blake <eblake <at> redhat.com>
To: Paul Eggert <eggert <at> cs.ucla.edu>
Cc: 34608 <at> debbugs.gnu.org
Subject: bug#34608: date +%+4C is unimplemented, contrary to POSIX
Date: Thu, 21 Feb 2019 21:40:18 -0600

On 2/21/19 9:37 PM, Paul Eggert wrote:
> Eric Blake wrote:
> 
>> date -d 0001-01-01 +.%+4C.
>>
>> should produce ".+000.", but currently it produces ".%+4C." because the
>> + flag is unimplemented.
>>
>> See also http://austingroupbugs.net/view.php?id=1184
> 
> Surely this bug should be reported against strftime, not against 'date'.
> POSIX does require that strftime behave that way, but it does not place
> a similar requirement on 'date'.
> 

That used to be true, but now POSIX wants date to behave as if it uses
strftime:

http://austingroupbugs.net/view.php?id=466


-- 
Eric Blake, Principal Software Engineer
Red Hat, Inc.           +1-919-301-3226
Virtualization:  qemu.org | libvirt.org

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