https://jcamiel.github.io/parallel/
$ hurl --test /tmp/foo/bar/baz/job-1.hurl /tmp/foo/bar/job-2.hurl /tmp/foo/bar/zzzzzz/job-3.hurl /tmp/foo/bar/job-4.hurl /tmp/foo/bar/ddd/job-5.hurl /tmp/foo/bar/job-6.hurl /tmp/foo/bar/ee/job-7.hurl /tmp/foo/bar/fff/job-8.hurl /tmp/foo/bar/job-9.hurl /tmp/foo/bar/job-10.hurl