diff --git a/run.sh b/run.sh
index 5b204067e0b18d2fcae9000c86d6b910fd3a4da6..cb6c96494e43686d8c86e17e78ca26cad8724df2 100755
--- a/run.sh
+++ b/run.sh
@@ -5,6 +5,10 @@
  ##
 
 
+# Define accepted command line flags.
+possible_flags=("-b", "-no-exe", "-no-sort")
+
+
 # Import utils script.
 . $(dirname ${0})/utils.sh