Peter Herrmann, June 2013
With one line of code, BetterLog extends the native apps script Logger and gives you automatic additional features like logging to a spreadsheet and more.
Add a single line of code to overload Logger and use BetterLog instead:
Any logs you generate are automatically copied and rolled over once they reach 50,000 lines so you'll always have a full history of log events.
and BetterLog will log stack traces and deep details automatically: