ls -c / ls -u doesn't work anymore
Jan Stocker
Jan.Stocker at t-online.de
Sun Oct 5 04:09:09 PDT 2003
On Sun, 2003-10-05 at 12:11, Bruce Evans wrote:
> On Sun, 5 Oct 2003, Jan Stocker wrote:
>
> > Newest world/kernel.... same prob
> >
> > jstocker at Twoflower:~ # mkdir x
> > jstocker at Twoflower:~ # cd x
> > jstocker at Twoflower:~/x # touch b-first; sleep 60
> > jstocker at Twoflower:~/x # touch c-second; sleep 60
> > jstocker at Twoflower:~/x # touch a-third
> > jstocker at Twoflower:~/x # ls -l -c
> > total 0
> > -rw-r--r-- 1 jstocker jstocker 0 5 Oct 11:10 a-third
> > -rw-r--r-- 1 jstocker jstocker 0 5 Oct 11:08 b-first
> > -rw-r--r-- 1 jstocker jstocker 0 5 Oct 11:09 c-second
> >
> >
> > looks very alphabetic....
>
> -c and -u only work when combined with -t. This may be bogus, but it
> is no different than in 4.4BSD-Lite2 and it is specified by POSIX
> (POSIX.1-200x-draft7:
>
> 21836 -c Use time of last modification of the file status information (see <sys/stat.h> in the
> 21837 System Interfaces volume of IEEE Std 1003.1-200x) instead of last modification of
> 21838 the file itself for sorting (-t) or writing (-l).
> 21864 -u Use time of last access (see <sys/stat.h> in the System Interfaces volume of
> 21865 IEEE Std 1003.1-200x) instead of last modification of the file for sorting (-t) or
> 21866 writing (-l).
>
> The FreeBSD ls clearly attempts to implement this. The FreeBSD man page
> is clearly a fuzzy version of this:
>
> -c Use time when file status was last changed for sorting or print-
> ing.
> -u Use time of last access, instead of last modification of the file
> for sorting (-t) or printing (-l).
>
> The FreeBSD man page is missing the critical detail that the status change
> time and access times are used _instead_ of the modification time.
and then -t sorts that date... okay.... works fine....
Jan
P.S.
but the behaviour has changed and i've nowhere read it..... my old box:
FreeBSD xxxx 4.7-RC FreeBSD 4.7-RC #0: Thu Sep 19 01:04:45 MEST 2002
root at xxxx:/usr/obj/usr/src/sys/xxxx i386
has a <working> "ls -c" and does not need "ls -t -c".
Jan
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