GNU bug report logs - #32291
Fwd: ls -ltcr and ls -lrt report different modification dates

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Ludovic Tolhurst-Cleaver <ludovic.tolhurst-cleaver <at> sabstt.com>
To: bug-coreutils <at> gnu.org
Subject: Fwd: ls -ltcr and ls -lrt report different modification dates
Date: Fri, 27 Jul 2018 10:48:40 +0100

Apologies - here is the OS information:

$ cat /proc/version
Linux version 3.10.0-862.3.3.el7.x86_64 
(builder <at> kbuilder.dev.centos.org) (gcc version 4.8.5 20150623 (Red Hat 
4.8.5-28) (GCC) ) #1 SMP Fri Jun 15 04:15:27 UTC 2018

Many thanks
LTC

-------- Forwarded Message --------

Dear GNU folks

I believe I have found a bug in ls in the GNU coreutils v. 8.22.

My colleague and I found that 'ls' reported a different date for a gzipped log file when run with different options in a directory containing a large amount of data (1000MB).

In the full listing we saw that date next to a different file in the other listing.

`ls -ltcr` seems to be the one showing the correct date here. I like to use `ls -ltc` because it's my initials. My colleague was running `ls -lrt`.


$ ls -ltcr ludo*

-rw-rw-rw- 1 pax pax 237817 Jul 20 06:53 ludovic.tolhurst-cleaver_sabstt.com-log-20180720.gz

$ ls -lrt ludo*

-rw-rw-rw- 1 pax pax 237817 Jul 18 12:30 ludovic.tolhurst-cleaver_sabstt.com-log-20180720.gz


I'm afraid I do not have the capability to test this on any later version of the coreutils.

Thanks & regards

Ludo Tolhurst-Cleaver
Perl Developer
SABS TT

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