Need NIFI ETL process flow to build xml file based on csv files copied from source to target

All i need is to copy csv files from s3 bucket and move to a target folder on s3 bucket. if the file name has wild card string customer then name the file as [login to view URL], if multiple files are thr with cutomar wild card then [login to view URL] [login to view URL] [login to view URL] and then cfreate the below xml file with attribute names, file size and count in each csv file and there is total record count as well. length is the file size in kb or bytes, which ever and record count of each csv file <?xml version="1.0" ?> <manifest> <processType>${[login to view URL]:equals("customerFile"):ifElse('CustomerDataIngest','AccountDataIngest')}</processType> <totalRecordCount>${[login to view URL]}</totalRecordCount> <files> <file> <name>[login to view URL]</name> <size>${[login to view URL]}</size> <recordCount>${[login to view URL]}</recordCount> </file> <file> <name>[login to view URL]</name> <size>${[login to view URL]}</size> <recordCount>${[login to view URL]}</recordCount> </file> <file> <name>[login to view URL]</name> <size>${[login to view URL]}</size> <recordCount>${[login to view URL]}</recordCount> </file> </files> </manifest> i have the task created. i was able to build using python complete from start to finish until xml creation, but using nifi i have difficulty. i do have have python solution for the same pls. but need it in nifi.