On 10/13/16 4:00 AM, Martijn Dekker wrote:
> bash resets BASH_SUBSHELL to 0 when executing an EXIT trap, even if the
> EXIT trap is executed in a subshell.
>
> echo $(trap 'echo $BASH_SUBSHELL' EXIT; echo $BASH_SUBSHELL)
> Actual output: 1 0
> Expected output: 1 1
This is a reasonable suggestion
Also, perhaps BASH_SUBSHELL should be a readonly like BASHPID is.
- M.
bash resets BASH_SUBSHELL to 0 when executing an EXIT trap, even if the
EXIT trap is executed in a subshell.
echo $(trap 'echo $BASH_SUBSHELL' EXIT; echo $BASH_SUBSHELL)
Actual output: 1 0
Expected output: 1 1
The same does not happen for a signal trap.
echo $(trap 'echo $BASH_SUBSHELL; exit' IN
