a bug in /bin/ls

[Dr. Andreas Haakh]

Am 14.08.2015 um 05:26 schrieb Paul Smith:
> On Thu, Aug 13, 2015 at 5:09 PM, Dr. Andreas Haakh
> <bugReporter at ib-haakh.de> wrote:
>> On:
>> FreeBSD Crabberio.Haakh.de 10.2-PRERELEASE FreeBSD 10.2-PRERELEASE #0
>> r286580: Mon Aug 10 19:49:05 CEST 2015
>> toor at Crabberio.Haakh.de:/usr/obj/usr/src/sys/CRABBERIO  amd64
>>
>> using the "-U"-flag in /bin/ls  together with "-l"
>> leads to the following output
>> [...]
>> -rwxr--r--  1 krabbe  ibh    798720  1 Jan  1970 IMAG1562.jpg
>> -rw-r--r--  1 krabbe  ibh    579493  1 Jan  1970 IMAG1714.jpg
>> [...]
>>
>> and the sorting is not affected by the flag (still by name).
>>
>>
>
> >From the man page:
>
> -U     Use time when file was created for sorting or printing.
>
> -u     Use time of last access, instead of time of last modification
> of the file for sorting (-t) or printing (-l).
>
> -t     Sort by descending time modified (most recently modified first). . . .
>
> Does something like ls -Ult give you what you want? My interpretation
> is that -u and -U need to be combined with -t or -l.
>
> I think the -c option works the same way.
> Did you get different output on a previous FreeBSD version?
>
> Paul
-Ult returns Jan 1st 1970 as well.