Shell Tricks: Extract text between two regexes

To extract text between two regular expressions, use sed -n '/first_regex/second_regex/p' . &#xA; For instance, to ad-hoc extract the function definition of the test tsync_override_log_subdomains_off , use: &#xA; sed -n '/TEST_F(audit, tsync_override_log_subdomains_off)/,/^}/p' \&#xA; tools/testing/selftests/landlock/audit_test.c&#xA; &#xA; This assumes that the function ends with a single } on an…