GNU bug report logs - #9281
Is this expected behavior?

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Ajesh Shaj <ajesh <at> yahoo-inc.com>
Subject: bug#9281: closed (Re: bug#9281: Is this expected behavior?)
Date: Thu, 11 Aug 2011 12:07:02 +0000

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Your bug report

#9281: Is this expected behavior?

which was filed against the coreutils package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 9281 <at> debbugs.gnu.org.

-- 
9281: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=9281
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

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From: Eric Blake <eblake <at> redhat.com>
To: Ajesh Shaj <ajesh <at> yahoo-inc.com>
Cc: 9281-done <at> debbugs.gnu.org
Subject: Re: bug#9281: Is this expected behavior?
Date: Thu, 11 Aug 2011 06:04:48 -0600

tag 9281 notabug
thanks

On 08/11/2011 12:31 AM, Ajesh Shaj wrote:
> Hi,
>
>      I got a strange ordering when I applied the linux sort command. Please see below for the details:
>
> [ajesh <at> gwta3004 tmp]$ sort a
> .a
> .b
> ba
> bb
> bc
> .c
>
>
> NOTE: .a and .b appears before ba and bb, where as .c appears after bc.

> Is this expected behavior?

Yep.  And this is a FAQ, caused by you using a locale that ignores 
punctuation when determining sort order.

https://www.gnu.org/software/coreutils/faq/#Sort-does-not-sort-in-normal-order_0021

If you are using new enough coreutils, try:

sort --debug a

for better understanding what is happening, then compare to:

LC_ALL=C sort --debug a

(if your sort doesn't understand --debug, then it is still useful to try 
LC_ALL=C sort a).

-- 
Eric Blake   eblake <at> redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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From: Ajesh Shaj <ajesh <at> yahoo-inc.com>
To: "bug-coreutils <at> gnu.org" <bug-coreutils <at> gnu.org>
Subject: Is this expected behavior?
Date: Thu, 11 Aug 2011 12:01:38 +0530

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Hi,

    I got a strange ordering when I applied the linux sort command. Please see below for the details:

[ajesh <at> gwta3004 tmp]$ cat a
.a
ba
.b
bb
.c
bc
[ajesh <at> gwta3004 tmp]$ sort a
.a
.b
ba
bb
bc
.c


NOTE: .a and .b appears before ba and bb, where as .c appears after bc.

In general

if the file has strings of the type .<x> and <y><x>,

then for all x <= y, .x appear before yx and
          for all x>y, .x appear after yx

Is this expected behavior?

Regards
Ajesh

--

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