let realmFilePath = '' // Absolute file path to my Realm file
let outputFolderPath = '' // Absolute path to the folder which will hold the CSV files
let csvDataExporter = try! CSVDataExporter(realmFilePath: realmFilePath)
try! csvDataExporter.export(toFolderAtPath: outputFolderPath)

var filePaths = [String]() // Array of file paths to each CSV file to include
let destinationRealmPath = '' // Path to the folder that will hold this Realm file
// Analyze the files and produce a Realm-compatible schema
let generator =  ImportSchemaGenerator(files: filePaths)
let schema = try! generator.generate()
// Use the schema and files to create the Realm file, and import the data
let dataImporter = CSVDataImporter(files: filePaths)
try! dataImporter.import(toPath: destinationRealmPath, schema: schema)