Bash: One-liner to exit with the opposite status of a grep command?

Question

How can I reduce the following bash script?

grep -P \"STATUS: (?!Perfect)\" recess.txt && exit 1
exit 0

It seems like I should be able

Answer 1

To make it work with set -e surround it in a sub-shell with ( and ):

$ cat test.sh 
#!/bin/bash

set -ex
(! ls /tmp/dne)
echo Success
$ ./test.sh 
+ ls /tmp/dne
ls: cannot access /tmp/dne: No such file or directory
+ echo Success
Success
$ mkdir /tmp/dne
$ ./test.sh 
+ ls /tmp/dne
$