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Re: less with subprocess

X-seq: zsh-users 27174
From: Vincent Lefevre <vincent@xxxxxxxxxx>
To: zsh-users@xxxxxxx
Subject: Re: less with subprocess
Date: Wed, 29 Sep 2021 14:24:45 +0200
Archived-at: <https://zsh.org/users/27174>
In-reply-to: <CAP+y1xAUzYHRMKGuJR2rBNvWY4ew6+2G-PyZagZHhaqu1sfXow@mail.gmail.com>
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References: <CAP+y1xAUzYHRMKGuJR2rBNvWY4ew6+2G-PyZagZHhaqu1sfXow@mail.gmail.com>

On 2021-09-27 22:30:08 +0200, Pier Paolo Grassi wrote:
> Hello, I have something like this:
> 
> less -f <(sleep 100)
> 
> actually the sleep is a find which does not produce any output for a long
> time at times, but the result is pretty much the same: less doesn't seem to
> be able to initialize if it doesn't receive an input, so it can't respond
> to sigint (ctrl-c), and I have to kill it from another shell

This seems similar to this more general bug I reported in 2019:

  https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=931216

There is an issue with its signal handling. I had written a patch,
but it doesn't work well in some cases.

-- 
Vincent Lefèvre <vincent@xxxxxxxxxx> - Web: <https://www.vinc17.net/>
100% accessible validated (X)HTML - Blog: <https://www.vinc17.net/blog/>
Work: CR INRIA - computer arithmetic / AriC project (LIP, ENS-Lyon)

References:
- less with subprocess
  - From: Pier Paolo Grassi

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