question: public static void createOPUSDirectories ( Config config ) { log . info ( "Creating temp directories" ) ; UrbanSimParameterConfigModuleV3 module = M4UConfigUtils . getUrbanSimParameterConfigAndPossiblyConvert ( config ) ; File tempFile = new File ( module . getOpusHome ( ) ) ; tempFile . mkdirs ( ) ; tempFile = new File ( module . getMATSim4Opus ( ) ) ; tempFile . mkdirs ( ) ; tempFile = new File ( module . getMATSim4OpusOutput ( ) ) ; tempFile . mkdirs ( ) ; tempFile = new File ( module . getMATSim4OpusTemp ( ) ) ; tempFile . mkdirs ( ) ; tempFile = new File ( module . getMATSim4OpusConfig ( ) ) ; tempFile . mkdirs ( ) ; log . info ( "Finished creating temp directories" ) ; }
target:  create new temp directories. these will be deleted after each test run.