Re: [ptxdist] Backspace not working in terminal (using ssh)

["Dold, Wolfram" <Wolfram.Dold@allegion.com>]

Hi Ian,
On Tue, 2019-03-19 at 12:06 +0000, Ian Abbott wrote:
> On 19/03/2019 09:17, Dold, Wolfram wrote:
> > Hi there,
> > when we connect via ssh to our embedded device, the backspace key does not work.
> > During the analysis we found out that the passage
> > 
> > # This fixes the backspace when telnetting in.
> > if [ "$TERM" != "linux" ]; then
> >          stty erase ^H
> > fi
> > 
> > from the file '/etc/profile' contained in ptxdist.
> > 
> > Now I want to ask, how best to fix this behavior?
> > Can the passage simply be omitted? (At least the comment lets me assume that, because there 'telnet' is mentioned
> > and
> > that is no longer necessarily state of the art).
> > Or does omitting it lead to other unwanted side effects?
> > 
> > Any help would be appreciated.
> > 
> 
> Code can interpret input characters in various ways independently of the 
> stty settings.  For example, if the "Command Line Editing" feature is 
> enabled in the Busybox configuration, the Busybox "ash" and "hush" 
> shells' interactive line editing will handle both ASCII DEL and ASCII BS 
>   as a "backspace" operation.  This can be enabled in the PTXdist 
> menuconfig via:
> 
> Shell & Console Tools --->
>    -*- busybox --->
>        Settings --->
>          [*] Command Line Editing
> 
> This sets "PTXCONF_BUSYBOX_FEATURE_EDITING=y" in the ptxconfig file.
> 
The feature is already enabled.
But it does not work for me. It only works when I delete the stty command from /etc/profile,

> If you are using Bash or some other other program with READLINE support, 
> I think it handles ASCII BS and ASCII DEL similarly to Busybox's command 
> line editing feature.
We do not use bash, we use the busybox shell.


Regards,
Wolfram

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