Path: csiph.com!goblin2!goblin1!goblin.stu.neva.ru!usenet.stanford.edu!not-for-mail
From: Dennis Williamson <dennistwilliamson@gmail.com>
Newsgroups: gnu.bash.bug
Subject: Re: No way to 'bind -x' symbolic character names
Date: Sat, 30 Nov 2019 08:57:20 -0600
Lines: 27
Approved: bug-bash@gnu.org
Message-ID: <mailman.31.1575125861.13035.bug-bash@gnu.org>
References: <1575045558200.80219@kth.se> <CANaoh6K4oSmxRhOsHazus0bwEOz0uqG1GwdwQZjMg5BVufJQFg@mail.gmail.com>
NNTP-Posting-Host: lists.gnu.org
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Cc: bug-bash <bug-bash@gnu.org>
To: Nikolaos Kakouros <nkak@kth.se>
Envelope-to: bug-bash@gnu.org
In-Reply-To: <1575045558200.80219@kth.se>
Precedence: list
Xref: csiph.com gnu.bash.bug:15679

On Fri, Nov 29, 2019, 10:40 AM Nikolaos Kakouros <nkak@kth.se> wrote:

> Using bash version:
>
> GNU bash, version 5.0.11(1)-release (x86_64-pc-linux-gnu)
>
>
> Trying to map Backspace to execute a function, I try to do:
>
> bind -x '"Rubout": my_func'
>
> This, as expected, binds the string 'Rubout' to the function. Omitting the
> double quotes makes bind fail. Escaping, like `\Rubout`, works neither.
>
> This is important in the case of Backspace, as there is no (to my
> knowledge) other way to bind the backspace than using Rubout. Using Konsole
> as my terminal emulator, `C-v Backspace` prints `^?` which I haven't
> managed to use with bind.
>

Backspace is a terminal setting which has precedence. You have to first
undefine it.

stty erase undef
bind -x '"\C-?":my_func'

>