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[debbugs-tracker] bug#23214: closed (Possible bug in sort -g)


From: GNU bug Tracking System
Subject: [debbugs-tracker] bug#23214: closed (Possible bug in sort -g)
Date: Mon, 04 Apr 2016 15:55:02 +0000

Your message dated Mon, 4 Apr 2016 08:54:02 -0700
with message-id <address@hidden>
and subject line Re: bug#23214: Possible bug in sort -g
has caused the debbugs.gnu.org bug report #23214,
regarding Possible bug in sort -g
to be marked as done.

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-- 
23214: http://debbugs.gnu.org/cgi/bugreport.cgi?bug=23214
GNU Bug Tracking System
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--- Begin Message --- Subject: Possible bug in sort -g Date: Mon, 4 Apr 2016 13:46:46 +0200
Hi,

I seem to have detected a bug in sort. Can you confirm?

~ $
~ $ sort --version
sort (GNU coreutils) 8.4
Copyright (C) 2010 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Written by Mike Haertel and Paul Eggert.
~ $ cat test.txt | sort -g

2e-1
2e-1
2e-1
2e-1
1.0e-1
1.0e-2
1.0e-2
1.0e-3
1.0e-4
2.0e-1
2.0e-2
2.0e-2
2.0e-2
2.0e-2
3.0e-2
3.0e-2
3.0e-2
3.0e-2
3.0e-2
3.0e-2
15
2e+1
2e+1
2e+1
2e+1
115
119
150
2e+2
2e+2
2e+2
2e+2
2e+3
2e+3
2e+3
2e+3
~ $ cat test.txt
3.0e-2
1.0e-4
2.0e-2
3.0e-2
1.0e-1
2.0e-1
3.0e-2
1.0e-2
2.0e-2
3.0e-2
1.0e-2
2.0e-2
3.0e-2
1.0e-3
2.0e-2
3.0e-2
15
119
115
150
2e+1
2e-1
2e+3
2e+2
2e+1
2e-1
2e+3
2e+2
2e+1
2e-1
2e+3
2e+2
2e+1
2e-1
2e+3
2e+2

~ $ 


I think this result is never what anybody would expect; 2e-1 is larger than 1.0e-1 and  1.0e-4 is smaller than 1.0e-1.

The above is running on Ubuntu 14.04. On a Cygwin installation the result is fine.

Thank you, kind regards, Matthijs.


--- End Message ---
--- Begin Message --- Subject: Re: bug#23214: Possible bug in sort -g Date: Mon, 4 Apr 2016 08:54:02 -0700 User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1
On 04/04/2016 08:31 AM, Matthijs Nescio wrote:
Hi,

Indeed, setting the environment variable LC_ALL to C solves the problem. Thank you. I am a satisfied long-time user of sort so I was flabbergasted.

Yes, the locale can affect 'sort' in funny ways. Thanks for following up. Closing the bug report.


--- End Message ---

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