Incrementing outputs break graceful_exit

[charleskawczynski]

In order to gracefully exit, the output directory must stay the same. Perhaps we can change the graceful exit directory to dirname(output_dir) or something? Basically, we need a single and unchanging place for this output, since we're reading from, not writing to, this file.

[Sbozzolo]

In order to gracefully exit, the output directory must stay the same. Perhaps we can change the graceful exit directory to dirname(output_dir) or something? Basically, we need a single and unchanging place for this output, since we're reading from, not writing to, this file.

You can always assume that most recent output is in output_active (that was the intent of the link: to provide a stable and deterministic path), but I agree that the most robust solution is to use output_dir directly, if possible.