local($number) = &retrieve_number("aa_backup");
# variables used throughout here.
-local($snarf_file_base) = &snarf_prefix("opensim_config");
+local($snarf_file_base) = &snarf_prefix("config-opensim");
local($snarf_file) = &snarf_name($snarf_file_base, $number);
# store the archive number in the file for retrieval on the other side.