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Date: Fri, 23 Sep 2011 12:41:40 +0200
Message-ID: <CAHYJk3TO25yZBb5+Y2MdL+ENO1JEpLW4UM+Kf2-RSv9LPCKOng@mail.gmail.com>
Subject: Re: Strange behavior with "for i in .."
From: Mikael Magnusson <mikachu@gmail.com>
To: Volodya Khomchak <kolombo.inc@gmail.com>
Cc: zsh-users@zsh.org
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On 23 September 2011 12:29, Volodya Khomchak <kolombo.inc@gmail.com> wrote:
> Hi,
>
> I faced with strange behavior with "for i in ..".
> So the problem is next:
>  # for i in /etc/profile.d/*.sh;do echo $i;done
>  # zsh: bad math expression: operand expected at `/etc/profi...'
> But if I change "i" to "file" it would work:
>  # for file in /etc/profile.d/*.sh;do echo $file;done
>  # /etc/profile.d/1.sh
>  # /etc/profile.d/2.sh
>
> zsh --version
> zsh 4.3.10 (x86_64)
>
> So what is going on here ?

At some point you've done 'integer i', so when you assign to i it will
be evaluated as a math expression. Try "echo ${(t)i}". "unset i"
before the loop should fix it.

-- 
Mikael Magnusson