Zsh Mailing List Archive
Messages sorted by:
Reverse Date,
Date,
Thread,
Author
Re: [Zsh bug] function define bug
- X-seq: zsh-users 20985
- From: Ngô Huy <huynhok.uit@xxxxxxxxx>
- To: Cuong Manh Le <cuong.manhle.vn@xxxxxxxxx>
- Subject: Re: [Zsh bug] function define bug
- Date: Wed, 25 Nov 2015 16:04:24 +0700
- Cc: Matthew Martin <phy1729@xxxxxxxxx>, Zsh Users <zsh-users@xxxxxxx>
- Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=vnoss.org; s=google; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=tixwHrg2ZtnmG3tn1aj6vI+M88MZcl1kn456lOBCJ78=; b=iH7pY5oOhFNNRvnod2iiQoMW1Af5DoifzcV/9u2itGTJQHF6uD8ayMvMnKjt2O+pwL QhZI46Zm3pO71uCZcipS+rJfjTQsWbhPlzwt/iQiK34FsbMiF8RhKXXvTw4o0YbXrg/T KtJcjBQSXI0JgbQEjParHLPN4ppOVbXuJtaC4=
- In-reply-to: <CAPO9ZdrV2HORspz=H+rN=A5uT0w=3CbxQpB0PrKxXLWGgPg4XA@mail.gmail.com>
- List-help: <mailto:zsh-users-help@zsh.org>
- List-id: Zsh Users List <zsh-users.zsh.org>
- List-post: <mailto:zsh-users@zsh.org>
- Mailing-list: contact zsh-users-help@xxxxxxx; run by ezmlm
- References: <CAPO9ZdrRL9e+B4urS4S5EitsOqjQYYji6F13JWkmOwLA=FyEbw@mail.gmail.com> <CAGnh9tB8oEua8npLmkhbPPBvMq1C3wfusnTo0MzLx0RjAiGaHw@mail.gmail.com> <CAPO9Zdp4eHtM3n0GrP0TE2b9-u=6eWXYzrZg6w4BtbTL7644zA@mail.gmail.com> <CALS7p_cNO6=ZVnU9Zw_4exY+DWZxjEXQ=SOwU3O2fwDmq7Jmfg@mail.gmail.com> <CAPO9ZdrV2HORspz=H+rN=A5uT0w=3CbxQpB0PrKxXLWGgPg4XA@mail.gmail.com>
Dear all,
2015-11-25 16:03 GMT+07:00 Ngô Huy <huynhok.uit@xxxxxxxxx>:
> Dear Cuong,
>
> 2015-11-25 15:49 GMT+07:00 Cuong Manh Le <cuong.manhle.vn@xxxxxxxxx>:
>
>> Hi Severus,
>>
>> Can you give a demo?
>>
>> You can turn off `multì_func_def` but you can always do multiple function
>> definition with reserved word `function`
>>
>> Best.
>>
>>
>> On Wed, Nov 25, 2015 at 11:20 AM, Ngô Huy <huynhok.uit@xxxxxxxxx> wrote:
>>
>>> Dear Matthew
>>>
>>> 2015-11-25 11:06 GMT+07:00 Matthew Martin <phy1729@xxxxxxxxx>:
>>>
>>> > On Tue, Nov 24, 2015 at 9:46 PM, Ngô Huy <huynhok.uit@xxxxxxxxx>
>>> wrote:
>>> > > 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
>>> multì_func_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
>>>
>>
>> this's just example: cat file | grep foobar(){ rm -rf *}
> grep wil execute rest of body
>
> Kind regards,
> Severus
>
I don't see reason for multiple functions have same body but different
name. Let's me know if I'm wrong :)
Kind regards,
Severus
Messages sorted by:
Reverse Date,
Date,
Thread,
Author