Generator.kt

import org.jaudiotagger.audio.AudioFileIO
import java.io.File

fun main(args: Array<String>) {
    File(args[0])
        .walk()
        .filter { it.isFile && it.extension.equals("mp3", ignoreCase = true) }
        .forEach { sourceFile ->
            val audioFile = AudioFileIO.read(sourceFile)
            println("Reading $audioFile")
        }
}