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bug#34123: A patch to fix reading EOF characters in non-interactive mode


From: Eli Zaretskii
Subject: bug#34123: A patch to fix reading EOF characters in non-interactive mode
Date: Fri, 18 Jan 2019 18:29:10 +0200

> From: Shawn Presser <address@hidden>
> Date: Fri, 18 Jan 2019 10:20:54 -0600
> Cc: address@hidden
> 
> It's non-interactive:
> 
> arc> |noninteractive|
> t
> 
> (The expression |noninteractive| in arcmacs is equivalent to evaluating 
> 'noninteractive in emacs lisp.)
> 
> The runtimes start by invoking emacs using `emacs -Q --script ...`, so it's 
> always noninteractive. And in
> general for writing shell scripts rather than repls, it's important to be in 
> noninteractive mode. But it's equally
> important to have the ability to prompt the user from a shell script, and for 
> the user to be able to cancel by
> using ^D without causing stdin errors on all subsequent prompts.

I think we are miscommunicating, since your usage involves Emacs
reading from the terminal.  That is not noninteractive in my book.
What I mean by noninteractive is when stdin is not connected to a
terminal.  Your proposed patch affects that case as well, doesn't it?





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