DotnetStandardStreams/source/DotnetStreamsApp/Properties/launchSettings.json

{
  "profiles": {
    "StreamsTest": {
      "commandName": "Project",
      "commandLineArgs": "C:\\Users\\Phil\\source\\repos\\DotnetStreams\\DotnetStreamsApp\\delme.txt",
      "sqlDebugging": true
    }
  }
}