+if [ -z "$gridusername" -o -z "$databasename" ]; then
+ echo "
+This script takes two parameters: (1) the user name for the opensim database
+and (2) the database name. It will backup that database by logging into
+mysql as the user. The user's password for mysql must be recorded in a local
+file called: \$HOME/.secrets/opensim_db_password.txt"