Hi,
On Mon, Mar 14, 2022 at 03:00:08PM -0600, Bob Proulx wrote:
> To help, and to confuse, the very popular bash command line shell
> accepts either BS or DEL for erase regardless of tty setting. Which
> tells me that is not the command shell on the remote system.
This is actually a huge part of "the problem", because it hides
misconfigurations - up to the point where you type something into
a program or a password prompt, and all of a sudden the "wrong"
delete-to-left character ends up as part of the typed-in sequence...
> To make this more useful for The Doctor try determining what erase
> character is being sent by your terminal emulator. Set it to
> something different such as @ and then type into od and have it
> print out the raw hex value of the key from the keyboard being
> pressed.
>
> $ stty erase @
> $ od -tx1
> ^? <-- Press the Backspace key, followed by Enter
> ^d <-- type in Control-D here to end input
> 0000000 7f 0a
$ echo <ctrl-v><the-key> | od -x1
also works and needs no "stty" change.
[..]
> In the old days we would have to put this in a case statement based
> upon our $TERM setting and other hints so as to select the right thing
> for that terminal. Those were dark bad days indeed. I had hoped to
> never see those days again hoping that DEL (^?) had won.
I'm in the ctrl-H camp :-)
gert
--
"If was one thing all people took for granted, was conviction that if you
feed honest figures into a computer, honest figures come out. Never doubted
it myself till I met a computer with a sense of humor."
Robert A. Heinlein, The Moon is a Harsh Mistress
Gert Doering - Munich, Germany gert@xxxxxxxxxxxxxx
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