The Semantic Logging Application Block provides a set of destinations to persist events published by a subclass of EventSource, This add-on packages adds support to persisting log entries into rolling text files and simple text files. This library contains a class library that targets .Net Core 2.0 & .Net Standard 2.0.
$ dotnet add package EnterpriseLibrary.SemanticLogging.TextFile.NetCoreNo README available.