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Subject: Re: Terminal occasionally shows duplicate command text when it is
 split over multiple lines
To: cygwin@cygwin.com
References: <1966566714.1219564.1629755526730.ref@mail.yahoo.com>
 <1966566714.1219564.1629755526730@mail.yahoo.com>
 <5dc677a0-85c8-7850-0a71-d1a2fa7c6e07@towo.net>
 <18ff5a94-b771-9534-7202-0057ff22679a@yahoo.com>
From: Thomas Wolff <towo@towo.net>
Message-ID: <d032825c-4691-3e7d-538e-f6509cc95fe3@towo.net>
Date: Wed, 25 Aug 2021 15:46:10 +0200
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Am 25.08.2021 um 08:42 schrieb Ray Satiro via Cygwin:
> On 8/23/2021 6:15 PM, Thomas Wolff wrote:
>> Am 23.08.2021 um 23:52 schrieb Ray Satiro via Cygwin:
>>> I'm using cygwin x86 updated yesterday and when I paste in commands
>>> that are split over multiple lines sometimes an arbitrary line will
>>> show more than once, even though it is not actually part of the
>>> command more than once. For example here's a command:
>>>
>>> echo foo \bar \baz \qux
>>>
>>> And here's the terminal output when I paste it in:
>>>
>>> $ echo foo \qux
>>>> bar \> baz \> quxfoo bar baz qux
>>> $ echo foo \baz \> bar \> baz \> quxfoo bar baz qux
>> Please provide a clear test case. How exactly would your clipboard
>> have multiple lines? Your example is only one line.
>
> My mail client did that. Here I'll try again:
>
> echo foo \
> bar \
> baz \
> qux
>
>
> $ echo foo \
> baz \
> qux
>> bar \
>> baz \
>> qux
> foo bar baz qux
>
>
Cannot reproduce this with mouse-pasting (middle mouse button). It does 
occur occasionally when pasting with Shift+Insert at keyboard repeat 
rate. I guess it's some kind of race condition, the initial part may get 
output earlier than the further parts are echoed. So it would not be a 
terminal issue.
Thomas

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