echo '------------------------------------------------------------'
echo "----- overall results:"
echo " $passed passed"
-echo " $failed failed"
-echo " $skipped skipped"
-echo " $missing missing"
+[ "$failed" -gt 0 ] && echo " $failed failed"
+[ "$skipped" -gt 0 ] && echo " $skipped skipped"
+[ "$missing" -gt 0 ] && echo " $missing missing"
echo '------------------------------------------------------------'
exit `expr $failed + $missing`