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Re: bad math expression: illegal character: "

X-seq: zsh-workers 46065
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: "zsh-workers@xxxxxxx" <zsh-workers@xxxxxxx>
Subject: Re: bad math expression: illegal character: "
Date: Wed, 17 Jun 2020 16:21:50 -0700
In-reply-to: <17B9983F-268E-469C-9506-D5333528A805@larryv.me>
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References: <DM6PR21MB1515B8DFCBCA1AB1038175EDFA860@DM6PR21MB1515.namprd21.prod.outlook.com> <17B9983F-268E-469C-9506-D5333528A805@larryv.me>

On Fri, Jun 5, 2020 at 2:02 PM Lawrence Velázquez <vq@xxxxxxxxx> wrote:
>
> > On Jun 5, 2020, at 2:18 PM, Artur Renault <Artur.Renault@xxxxxxxxxxxxx>
> >
> > 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?

Follow-Ups:
- Re: bad math expression: illegal character: "
  - From: Mikael Magnusson

References:
- bad math expression: illegal character: "
  - From: Artur Renault
- Re: bad math expression: illegal character: "
  - From: Lawrence Velázquez

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