sort wierdness


I am seeing sort treat '@' specially; in particular, it wanders around
the sort order depending upon the rest of the input line. Anyone have an
explanation? I guess it's something to do with locale, but the input
strings affecting it as well make no sense to me.

$ locale
LANG=en_GB.UTF-8
LC_CTYPE="en_GB.UTF-8"
LC_NUMERIC="en_GB.UTF-8"
LC_TIME="en_GB.UTF-8"
LC_COLLATE="en_GB.UTF-8"
LC_MONETARY="en_GB.UTF-8"
LC_MESSAGES="en_GB.UTF-8"
LC_PAPER="en_GB.UTF-8"
LC_NAME="en_GB.UTF-8"
LC_ADDRESS="en_GB.UTF-8"
LC_TELEPHONE="en_GB.UTF-8"
LC_MEASUREMENT="en_GB.UTF-8"
LC_IDENTIFICATION="en_GB.UTF-8"
LC_ALL=


sort input:
Abbot', 'COMP
CobraP', 'COMP
CobraU', 'COMP
@', 'COMP
CTM', 'COMP
Jobby', 'COMP

gives:
Abbot', 'COMP
CobraP', 'COMP
CobraU', 'COMP
@', 'COMP
CTM', 'COMP
Jobby', 'COMP


sort input:
Abbot', 'C
CobraP', 'C
CobraU', 'C
@', 'C
CTM', 'C
Jobby', 'C

gives:
Abbot', 'C
@', 'C
CobraP', 'C
CobraU', 'C
CTM', 'C
Jobby', 'C


sort input:
Abbot',
@',
CobraP',
CobraU',
CTM',
Jobby',

gives:
@',
Abbot',
CobraP',
CobraU',
CTM',
Jobby',


'LC_ALL=C sort' gives that last order, nomatter the input, as I'd expect.

--
[neil@fnx ~]# rm -f .signature
[neil@fnx ~]# ls -l .signature
ls: .signature: No such file or directory
[neil@fnx ~]# exit
--
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