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RE: Re: svn list - sorting (natural sort)

From: Gregory Smith <greg_at_siliconoptix.com>
Date: 2005-02-07 16:01:36 CET

At http://sourceforge.net/projects/numacomp

.. there is a 'numacomp' (numerically aware compare), which is in the
form of a python extension in C.

Unlike many other solutions, this one is formally well behaved:


- works on strings with multiple numeric subfields

- strings never compare equal unless they are identical

- transitive and commutative (i.e. A < B and B < C => A<C,
and A < B => B > A)


The last one is important, since without these properties, you can get
in trouble using the compare

in a sort.





From: Ryan Schmidt [mailto:subversion-2004@ryandesign.com]
Sent: Sunday, February 06, 2005 5:52 PM
To: Hakan Koseoglu
Cc: Subversion List
Subject: Re: svn list - sorting (natural sort)


On 06.02.2005, at 23:44, Hakan Koseoglu wrote:


Instead of the desired naturally-sorted output:






GNU sort has -n option to sort numerically. Would that help?


Not that I can see, because as the man page says, it only sorts on an
initial numeric string, not a numeric string later in the line.


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Received on Mon Feb 7 16:05:44 2005

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