Determine if `set -e` flag if is active in bash

Question

In a bash script/shell, is there a programmatic way to determine if the set -e flag is active?

I just need a boolean letting me know if it\'s on/off.

Answer 1

You can check the $- variable to see whether the e option is enabled:

[[ $- =~ e ]]

From help set:

The current set of flags may be found in $-.