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Groups > gnu.bash.bug > #16892

5.1.0(1)-release (x86_64-redhat-linux-gnu) - bash -l behavior chane

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The origin of my question: https://stackoverflow.com/questions/67674633/fedora-34-pasting-multiple-commands-into-a-bash-terminal-behavior-change

After upgrading from Fedora 33 (bash 5.0.17(1)-release) to 34 (bash 5.1.0(1)-release) the shell behaves odd. When pasting to shell, the pasted text is automatically marked, as if selected and it breaks earlier behavior. Pasting this:
```
echo first $SHLVL
bash
 echo $SHLVL
 bash
  echo $SHLVL
  exit
 echo $SHLVL
 exit
echo last $SHLVL

```
would in a fresh login session in bash 5.0.17 print "first 1", "2", "3", "2", "last 1".  In 5.1.0 nothing happens until you press return after the paste - and then you find yourself in SHLVL 2 or 3. The sequence is not executed. Sometimes, SHLVL says 2 - and "pstree -alps $$" confirms that the original bash login shell is owning the current shell - yet "exit" will exit the login session completely.

The workaround I've found for this odd behavior is to add the following in my .bashrc:

oldterm=$TERM;export TERM=dumb;export TERM=$oldterm;unset oldterm

This seems to set the login shell in a mode that acts like it previously did.

Is this know? Deliberate? If this is "as designed", is there an option to turn it off?

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5.1.0(1)-release (x86_64-redhat-linux-gnu) - bash -l behavior chane Ted Lyngmo <tedlyngmo@gmail.com> - 2021-05-25 13:48 -0700
  Re: 5.1.0(1)-release (x86_64-redhat-linux-gnu) - bash -l behavior chane Ted Lyngmo <tedlyngmo@gmail.com> - 2021-05-26 08:02 -0700
    Re: 5.1.0(1)-release (x86_64-redhat-linux-gnu) - bash -l behavior chane GODSWILL DUKE <dukegodswill2022@gmail.com> - 2023-02-15 10:26 -0800

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