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From: Greg Wooledge <wooledg@eeg.ccf.org>
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Subject: Re: bash 5.0.11 =?utf-8?B?4oCTIE91dHB1?= =?utf-8?Q?t?= not redirected
Date: Wed, 26 Feb 2020 10:48:17 -0500
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On Wed, Feb 26, 2020 at 05:39:22PM +0200, Ricky Tigg wrote:
> Tested on *Gnome*; Component: bash.x86_64 5.0.11
> 
> Used Shell;
> $ echo $SHELL
> /bin/bash
> 
> Following command opens the queried graphical terminal emulator;
> $ echo q | gnome-terminal
> 
> Result in opened terminal:
> [yk@localhost ~]$
> 
> Redirected output is thus not present as input there.

There's no bug here.  No terminal emulator reads stdin before creating
the new pseudoterminal.

wooledg:~$ echo hi | xterm

wooledg:~$ echo hi | urxvt

None of these gives me anything but a regular terminal of the indicated
type.

Even if you were to consider this a feature request, it would be a
feature request for your terminal emulator, not for bash.

If you're trying to pre-populate the input buffer of a shell in a newly
launched terminal emulator, you're about to go down some very deep
rabbit holes.  I suggest you look at tmux or screen.  Those may have
some of the features you're looking for, if my guess is on target.