On Tue, Jul 19 2022, Shaoxuan Yuan wrote:

+	! grep -x "H sub/d" actual &&
+	grep -x "S folder1/d" actual

This *might* be a portability problem, but probably not. It's listed in
POSIX:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/grep.html

But it appears we have no "grep" use of the "-x" option in-tree, at
least from what I found with grepping..