OutputFiles being written in Append Mode

[darshanpandit]

Output files are being written in Append mode. As a result if the scenario is re-run again, the outputs get appended to the files, leading to multiple entries in the file.
Observed at : Check resultFileSpatial1.csv for a scenario run multiple times

[darshanpandit]

Possible Solution: Delete the folder and before the run. Verify if it is fine to do so.