GitHub - crspybits/swift-log-file: A simple file logger based on swift-log (original) (raw)

swift-log-file

SwiftLog compatible file log handler.

This currently only supports iOS.

Example: Just logging to a file

let logFileURL = URL(/* your local log file here */) let logger = try FileLogging.logger(label: "Foobar", localFile: logFileURL) logger.error("Test Test Test")

Example: Logging to both the standard output (Xcode console if using Xcode) and a file.

let logFileURL = try getDocumentsDirectory().appendingPathComponent(logFileName) let fileLogger = try FileLogging(to: logFileURL)

LoggingSystem.bootstrap { label in let handlers:[LogHandler] = [ FileLogHandler(label: label, fileLogger: fileLogger), StreamLogHandler.standardOutput(label: label) ]

return MultiplexLogHandler(handlers)

}

let logger = Logger(label: "Test")

Note in that last example, if you use LoggingSystem.bootstrap, make sure to create your Logger after the LoggingSystem.bootstrap usage (or you won't get the effects of the LoggingSystem.bootstrap).

Example: Using XCGLogger

XCGLogger supports rotating file logs amongst other features.

let logFileURL = URL(/* your local log file here /) let xcgLogger = / Make your XCGLogger, using logFileURL */ let logger = XCGLogging.logger(label: "Test", logger: xcgLogger) logger.error("Test Test Test")

Example: Logging to both the standard output (Xcode console if using Xcode) and a file using XCGLogger.

let logFileURL = try getDocumentsDirectory().appendingPathComponent(logFileName) let xcgLogger = /* Make your XCGLogger, using logFileURL */

LoggingSystem.bootstrap { label in let handlers:[LogHandler] = [ XCGLoggerHandler(label: label, logger: xcgLogger), StreamLogHandler.standardOutput(label: label) ]

return MultiplexLogHandler(handlers)

}

let logger = Logger(label: "Test")

For more examples, see the unit tests and refer to apple/swift-log's README