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Message-ID: <08a8c442d9d467bd64da9e613beca22f2d80e2fa.camel@fifi.org>
Subject: Re: Could multios response positively to isatty(1) test?
From: Philippe Troin <phil@fifi.org>
To: zsh-workers@zsh.org
Date: Thu, 07 Feb 2019 10:56:14 -0800
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References: 
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	 <1549558209.5863.7.camel@samsung.com>
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On Thu, 2019-02-07 at 18:55 +0100, Sebastian Gniazdowski wrote:
> On Thu, 7 Feb 2019 at 17:50, Peter Stephenson <
> p.stephenson@samsung.com> wrote:
> > 
> > isatty() is part of the operating system, it doesn't have a way of
> > checking for "not a real TTY but pretending to be one except
> > actually it
> > isn't really even pretending to be one but it might work anyway"
> 
> Yes it's a part of the operating system, and i wonder how it works? I
> suspect that there's just a flag needed to be set on the FD exposed
> to
> the application.

It boils down to ioctl(TCGETS) on linux if you have to know.
It the same ioctl as the one used for tcsetattr/tcgetattr.

Have you tried:
  script -c "scrapy crawl $options[@]" log.txt

Phil.