364,365c364,369
< # Exit code is 0 if all stats are found (with no extras) & no stats error, 1 otherwise
< $status = ($missing_stats == 0 && $added_stats == 0 && $max_err_mag == 0.0) ? 0 : 1;
---
> # Exit codes:
> # 0 if all stats are found (with no extras) & no stats error
> # 1 if there are additional stats, but no stat errors
> # 2 otherwise
> $no_hard_errors = $missing_stats == 0 && $max_err_mag == 0.0;
> $status = $no_hard_errors ? ($added_stats == 0 ? 0 : 1) : 2;