--- a/testing/mark	Wed Nov 08 02:06:54 2017 +0000
+++ b/testing/mark	Wed Nov 08 13:57:13 2017 +0000
@@ -3,7 +3,7 @@
 
 trap "exit" INT
 
-./collatz_test output1
-./alcohol_test output2
+./collatz_test.sh output1
+./alcohol_test.sh output2
+./drumb_test.sh output3
 
-