BlackBox to exit gracefully

BlackBox/clean

@@ -3,6 +3,6 @@
 find . -type f -name "*.ocf" -exec rm -f {} \;
 find . -type f -name "*.osf" -exec rm -f {} \;
 find . -type f -name "*~" -exec rm -f {} \;
-find . -type f -name "odc*" -exec rm -f {} \;
+find . -type f -name "odc?????" -exec rm -f {} \;
 find . -depth -type d -empty -exec rmdir {} \;
 rm blackbox BlackBox.exe