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From: =?UTF-8?B?SsOpcsOpbWllIFJvcXVldA==?= <arkanosis@gmail.com>
Date: Thu, 22 Sep 2011 10:32:18 +0200
Message-ID: <CAFOazANO_TOJeGoMWT-y2NWBDnUTfQ_Vp3XxxnKZLuvXzXYbEA@mail.gmail.com>
Subject: Re: using parameter expansion sorting flags
To: Zsh Users <zsh-users@zsh.org>
Cc: Rory Mulvaney <rorymulv@gmail.com>
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Hi Rory,

2011/9/22 Rory Mulvaney <rorymulv@gmail.com>:
> I have a few filenames that I put into an array with:
>
> PNMFILES=3D( f.*.{Atop,Bbot}.pnm )
>
> the ordered contents of this array become:
>
> f.0009.Atop.pnm f.0010.Atop.pnm f.0011.Atop.pnm f.0012.Atop.pnm
> f.0009.Bbot.pnm f.0010.Bbot.pnm f.0011.Bbot.pnm

That's because you're mixing braces and globbing. What happens first is:
 f.*.{Atop,Bbot}.pnm =E2=86=92  f.*.Atop.pnm f.*.Btop.pnm
then only globbing is performed.

You could have used globbing only, and the =E2=80=9Co=E2=80=9D flag to have=
 a sorted
array in the first place:
PNMFILES=3D( f.*.(Atop|Bbot).pnm(on) )

> Now I can't figure out how to order them in an array, using the parameter
> expansion sorting flags n and o, as:
>
> f.0009.Atop.pnm f.0009.Bbot.pnm f.0010.Atop.pnm f.0010.Bbot.pnm
> f.0011.Atop.pnm f.0011.Bbot.pnm f.0012.Atop.pnm
> Also I'd like the resulting resorted array PNMFILES2 to be such that:
>
> echo ${PNMFILES2[2]}
>
> yields:
>
> f.0009.Bbot.pnm
>
> rather than some single character.

PNMFILES2=3D${(on)PNMFILES}

Best regards,

--=20
J=C3=A9r=C3=A9mie