Re: Possible bug in sort -V

[Andreas Schwab]

Steve Ward <address@hidden> writes:

> On Tue, Dec 15, 2009 at 20:18, john blair <address@hidden>wrote:
>
>> cat a | /build/toolchain/lin32/coreutils-8.2/bin/sort -V
>> kernel-2.6.18-164.2.1.el5.x86_64.rpm
>> kernel-2.6.18-164.6.1.el5.x86_64.rpm
>> kernel-2.6.18-164.el5.x86_64.rpm
>>
>> The result should be
>> kernel-2.6.18-164.el5.x86_64.rpm
>> kernel-2.6.18-164.2.1.el5.x86_64.rpm
>> kernel-2.6.18-164.6.1.el5.x86_64.rpm
>>
>> Is it a bug is sort -V?
>>
>>
>>
>>
>>
>>
>>
>>
> What version of sort are you using?
> (sort --version)
>
> What is your locale setting?
>
> In ASCII, decimal digits are before alphabetical letters.  Why did you
> expect the 'e' to come before '2' and '6'?

The version compare rules specify that numeric and non-numeric parts are
compared independently from left to right, and an empty part sorts
before any non-empty part (except tilde in a non-numeric part), thus
"kernel-2.6.18-164." sorts before "kernel-2.6.18-164.2".

Andreas.

-- 
Andreas Schwab, address@hidden
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