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From: Bart Schaefer <schaefer@brasslantern.com>
Message-Id: <160603113354.ZM24367@torch.brasslantern.com>
Date: Fri, 3 Jun 2016 11:33:54 -0700
In-Reply-To: <CAKc7PVA9-ixBoCAwwSY9HFRdRoBJVDtNouB8cQGe6HtMmoHmQg@mail.gmail.com>
Comments: In reply to Sebastian Gniazdowski <sgniazdowski@gmail.com>
        "Re: Mark descriptor as terminal for the -t test" (Jun  3,  6:30pm)
References: <CAKc7PVAvHk_DUx=Lid_vKBzFw9B3CSuDu7d8LmtzqV8AtgNcnA@mail.gmail.com> 
	<160601214528.ZM14311@torch.brasslantern.com> 
	<CAKc7PVA9-ixBoCAwwSY9HFRdRoBJVDtNouB8cQGe6HtMmoHmQg@mail.gmail.com>
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To: Zsh Users <zsh-users@zsh.org>
Subject: Re: Mark descriptor as terminal for the -t test
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On Jun 3,  6:30pm, Sebastian Gniazdowski wrote:
}
} A robust program, the script. Recalls asciinema.

The other way around, really: "script" has been around for decades.

} Turns out the commands are not so confused. Either they assume there
} is no terminal, and strip terminal control codes from output, or
} ignore the fact (e.g. vim) and work well.

The third thing that some programs do is to look harder for a terminal,
e.g. examine all of stdin/out/err with isatty() and direct all I/O to
whichever of them is found to be a terminal.  (Recall the discussion of
a few weeks ago regarding descriptors opened for both read and write
even though in practice they are only used for one or the other.)

} to strip control codes, but have no motivation to do so. The dream of
} "reuse output without mouse" is better to be implemented at terminal
} level.

Output that is screen-oriented rather than stream-oriented is also not
suitable for re-use anyway, at least not directly.

You might also look at Functions/Zle/keeper for a related idea.