On Wed, Jun 17, 2020, 5:07 PM <bry...@giraffe-data.com> wrote: > Configuration Information [Automatically generated, do not change]: > Machine: x86_64 > OS: linux-gnu > Compiler: gcc > Compilation CFLAGS: -g -O2 > -fdebug-prefix-map=/build/bash-2bxm7h/bash-5.0=. -fstack-protector-strong > -Wformat -Werror=format-security -Wall -Wno-parentheses -Wno-format-security > uname output: Linux rhino.giraffe-data.com 4.19.0-9-amd64 #1 SMP Debian > 4.19.118-2+deb10u1 (2020-06-07) x86_64 GNU/Linux > Machine Type: x86_64-pc-linux-gnu > > Bash Version: 5.0 > Patch Level: 3 > Release Status: release > > Description: > > With TERM environment variable set to an undefined terminal type, Bash > echoes a backspace as a space; I expect it to echo as a backspace > (ctl-h). > It edits the line properly; it just isn't displayed correctly. > > Other line editing functions have the same problem. > > Setting TERM from the Bash prompt (to anything) puts things back to > normal. > > It worked (Backspace echoes as a ctl-H backspace character) in an earlier > version of Bash (don't know which one), but not in 5.0.3(1) from Debian > or > 5.1 from ftp.gnu.org. > > Repeat-By: > > $ TERM=nosuchterm bash --norc > > At the prompt, type the 7 keystrokes > > l s q q BS BS CR > > It echoes > > l s q q SP SP CR LF > > and performs an 'ls' command, showing that the line was properly edited. > >
I imagine that depends on your terminal and your stty settings. On MacOS with Bash 5 in Terminal.app what you describe doesn't happen for me. What terminal are you using? What is the output of stty -a with respect to erase? What do you get in that setup when you press Ctrl-V then Backspace?
