question: public static void initUrbanSimPersonWriter ( UrbanSimParameterConfigModuleV3 module ) { try { log . info ( "Initializing UrbanSimZoneCSVWriter ..." ) ; personWriter = IOUtils . getBufferedWriter ( module . getMATSim4OpusTemp ( ) + FILE_NAME ) ; log . info ( "Writing data into " + module . getMATSim4OpusTemp ( ) + FILE_NAME + " ..." ) ; personWriter . write ( InternalConstants . PERSON_ID + "," + "home2work_travel_time_min," + "home2work_distance_meter," + "work2home_travel_time_min," + "work2home_distance_meter," + "mode" ) ; personWriter . newLine ( ) ; log . info ( "... done!" ) ; } catch ( Exception e ) { e . printStackTrace ( ) ; } }
target:  writes the header for persons csv file