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Date: Wed, 25 Nov 2015 11:20:21 +0700
Message-ID: <CAPO9Zdp4eHtM3n0GrP0TE2b9-u=6eWXYzrZg6w4BtbTL7644zA@mail.gmail.com>
Subject: Re: [Zsh bug] function define bug
From: =?UTF-8?B?TmfDtCBIdXk=?= <huynhok.uit@vnoss.org>
To: Matthew Martin <phy1729@gmail.com>
Cc: Zsh Users <zsh-users@zsh.org>
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Dear Matthew

2015-11-25 11:06 GMT+07:00 Matthew Martin <phy1729@gmail.com>:

> On Tue, Nov 24, 2015 at 9:46 PM, Ng=C3=B4 Huy <huynhok.uit@vnoss.org> wro=
te:
> > Dear folks,
> >
> > I found the problem in zsh define function. Demo
> >
> > ls test() { echo "Bug !!!"} && ls && test
> >
> > it will print
> >
> > Bug !!!
> > Bug !!!
>
>
> That's expected behaviour. Since MULTI_FUNC_DEF is set by default in zsh
> mode, both ls and test are being defined as functions with the body
> echo "Bug !!!".
>
> % func1 func2 () { echo This is "$0"; }
> % func1; func2
> This is func1
> This is func2
> % which func{1,2}
> func1 () {
>         echo This is "$0"
> }
> func2 () {
>         echo This is "$0"
> }
> % unsetopt MULTI_FUNC_DEF
> % func1 func2 () { echo This is "$0"; }
> zsh: parse error near `()'
>

I know this behavior likes advanced programming language but mult=C3=AC_fun=
c_def
should be turned off by default, it leads to risky problem when someone
searchs as grep, ls malicious strings without quote


Kind regards,
Severus

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