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Re: readline: How to unbind _all_ keys


From: Chet Ramey
Subject: Re: readline: How to unbind _all_ keys
Date: Tue, 21 May 2019 10:16:13 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 5/21/19 4:04 AM, Henning wrote:

> And another problem: after removing all \C-x sequences I used bind -x
> to bind a shell command to \C-x proper. The result, when hitting \C-x,
> is the following error message:
> 
>     bash_execute_unix_command: cannot find keymap for command
> 
> Using a sequence other than \C-x works as expected.
> My guess is that \C-x can't be used alone. And that this can only be
> changed in the source code.

I can't reproduce this using bash-5.0. I took your script, ran it, then
bound C-x to execute "echo abc":

K=( ' ' ! '\"' \# $ % \& \' \( \) \*  +   ,   -  .  /
         0  1   2   3 4 5  6  7  8  9  : \;  \<   = \> \?
         @  A   B   C D E  F  G  H  I  J  K   L   M  N  O
         P  Q   R   S T U  V  W  X  Y  Z \[ '\\' \]  ^  _
        \`  a   b   c d e  f  g  h  i  j  k   l   m  n  o
         p  q   r   s t u  v  w  x  y  z \{  \|  \} \~     )

    for ((k=0; k<95; k++)); do
        bind -r "\C-x\C-${K[k]}"
        bind -r "\C-x${K[k]}"
    done
#    bind -r "\C-x"

bind -x '"\C-x":"echo abc"'

And hitting ^X gives me "abc". It doesn't matter whether or not I remove
the binding for \C-x itself.


-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
                 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    address@hidden    http://tiswww.cwru.edu/~chet/



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