(DIR) ans4
 (TXT) clean.sh
 (TXT) knowngood.after1
 (TXT) knowngood.after2
 (TXT) knowngood.before
 (TXT) knowngood.ns2.before
 (DIR) ns1
 (DIR) ns2
 (DIR) ns3
 (TXT) setup.sh
 (TXT) tests.sh