From: Mikael Magnusson <mikachu@gmail.com>
To: Bart Schaefer <schaefer@brasslantern.com>
Cc: "zsh-workers@zsh.org" <zsh-workers@zsh.org>
Subject: Re: bad math expression: illegal character: "
Date: Thu, 18 Jun 2020 13:19:43 +0200 [thread overview]
Message-ID: <CAHYJk3SZRufTJqZPLKdzzSDG6FCfjbMq-kH=+eDBFDusAixUVg@mail.gmail.com> (raw)
In-Reply-To: <CAH+w=7btqmkqq7omGN5ytCZ47-JB_wrC_NyG1VBEg4GiZ4Esxg@mail.gmail.com>
On 6/18/20, Bart Schaefer <schaefer@brasslantern.com> wrote:
> On Fri, Jun 5, 2020 at 2:02 PM Lawrence Velázquez <vq@larryv.me> wrote:
>>
>> > On Jun 5, 2020, at 2:18 PM, Artur Renault <Artur.Renault@microsoft.com>
>> >
>> > while (( "$#" )); do
>> >
>> > repro.sh:1: bad math expression: illegal character: "
>>
>> For what it's worth, dash also rejects this. I assume that it and
>> zsh are just more strict about what constitutes a math expression.
>
> Does anybody know if this is something we should change for sh
> emulation, or is it merely another unspecified POSIX corner-case?
If this is a POSIX requirement, it must have been very specific about
when quotes should be allowed (bash):
$ (( "0" )); echo $?
1
$ echo $(( "0" ))
bash: "0" : syntax error: operand expected (error token is ""0" ")
--
Mikael Magnusson
next prev parent reply other threads:[~2020-06-18 11:20 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-05 18:18 Artur Renault
2020-06-05 21:01 ` Lawrence Velázquez
2020-06-17 23:21 ` Bart Schaefer
2020-06-18 11:19 ` Mikael Magnusson [this message]
2020-06-19 6:38 ` Lawrence Velázquez
2020-06-19 15:35 ` Sebastian Gniazdowski
2020-06-19 15:55 ` Peter Stephenson
2020-06-22 11:11 ` Peter Stephenson
2020-06-23 23:51 ` Bart Schaefer
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