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Date:      Fri, 21 Feb 2014 16:55:46 -0800
From:      <dteske@FreeBSD.org>
To:        "'Tom Evans'" <tevans.uk@googlemail.com>
Cc:        rc@freebsd.org, 'Devin Teske' <dteske@freebsd.org>
Subject:   RE: network.subr _aliasN handling
Message-ID:  <11b901cf2f68$d334f080$799ed180$@FreeBSD.org>
In-Reply-To: <CAFHbX1JOKjJxkvgOLY0rkLCUAGLM5pYXOdJ2AoY47sxUCe_G=Q@mail.gmail.com>
References:  <20131228055324.GA72764@aim7400.DataIX.local> <A7699871-A170-4AD5-B740-ED8BE17C7107@fisglobal.com> <9498BE8E-8090-4E7A-8317-18D29B1DDC08@dataix.net> <7DBA7D58-E925-47BC-967C-F653348426A6@fisglobal.com> <A15FAFBD-4597-4D8D-A014-0D486573894C@dataix.net> <AFFFCC9A-8C21-4C0B-A8D9-457E4C26DDA3@fisglobal.com> <CAFHbX1JOKjJxkvgOLY0rkLCUAGLM5pYXOdJ2AoY47sxUCe_G=Q@mail.gmail.com>

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> -----Original Message-----
> From: Tom Evans [mailto:tevans.uk@googlemail.com]
> Sent: Friday, February 21, 2014 9:16 AM
> To: Devin Teske
> Cc: rc@freebsd.org
> Subject: Re: network.subr _aliasN handling
> 
> On Sat, Jan 4, 2014 at 11:25 AM, Teske, Devin <Devin.Teske@fisglobal.com>
> wrote:
> > On Jan 4, 2014, at 2:59 AM, Jason Hellenthal wrote:
> >
> >> I believe I know what you mean by that but in a way scares me when you
say
> sort as in mixing up the original order they appear in which I would find
to be
> really unattractive to most.
> >>
> >
> > It's not as scary as it sounds.
> >
> > The issue is that the variables are sorted alphabetically, instead of
> > numerically.
> >
> > Let's take four words: foo1, foo2, foo10, and foo20.
> > If you sort them alphabetically, you get:
> >
> >         foo1
> >         foo10
> >         foo2
> >         foo20
> >
> > You'll notice this when doing a directory listing, as that too is
> > sorted alphabetically.
> >
> > This is why "alias14" is run before "alias8" and "alias9". Because
> > they are processed in alphabetically sorted order. I didn't do
> > anything to sort the values, they came pre-sorted in alphabetic order.
> >
> > If I simply throw in a "| sort -n", then it will change it to
numerically sorted.
> > As you might expect, numerically sorting the above list would result in:
> >
> >         foo1
> >         foo2
> >         foo10
> >         foo20
> >
> > Trivial really. I'll throw a patch at you when I get some cycles (soon).
> 
> Wouldn't "|sort -n" sort foo10 before foo2?
> 
[Devin Teske] 

"| sort -R" seems to work. Though I'm less than pleased with the
explanation from the man-page...

	-R, --random-sort
		sort by random hash of keys

but... say what? Produces foo1, foo2, foo10, foo20 -- as-is desired -- but,
is this really what we want? I'm not sure I understand the above
description -- can someone explain this a bit more?
-- 
Devin

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