Hi,
Currently, Ryu does not provide such feature, but how about using "csv" module (Python standard
library)?
e.g.)
diff --git a/ryu/app/simple_switch_13.py b/ryu/app/simple_switch_13.py
index 3e7c598..f509b67 100644
--- a/ryu/app/simple_switch_13.py
+++ b/ryu/app/simple_switch_13.py
@@
Dear friend,
Please, I would like to know if there is a possibility that the "port
stats" files could be modified from list to default ".csv". This my
suggestion is due to the fact that the standard "Comma-Separated Values"
are files are widely used with numpy, pandas, database and others. For
