Write single CSV file using spark-csv

Question

I am using https://github.com/databricks/spark-csv , I am trying to write a single CSV, but not able to, it is making a folder.

Need a Scala function which will take

Answer 1

I'm using this in Python to get a single file:

df.toPandas().to_csv("/tmp/my.csv", sep=',', header=True, index=False)