SuperCSV append rather than overwrite?

android, csv, java, supercsv

Solution

Add `true` to the parameters in `new FileWriter`:

mapWriter = new CsvMapWriter(new FileWriter(".../writeWithCsvMapWriter.csv", true), CsvPreference.STANDARD_PREFERENCE);

Problem

Is it possible to add new lines to a CSV file, rather than overwrite the last one? Here is my method I call when I want to add a new line: ``` private static void writeWithCsvMapWriter() throws Exception { final String[] header = new String[] { "Engineer", "Time/Date", "Project", "Test ID", "Data Centre", "Data Hall", "Row", "Grille", "I/S" }; SimpleDateFormat sdf = new SimpleDateFormat("yyyy/MM/dd_HH:mm:ss"); String currentDateandTime = sdf.format(new Date()); final Map<String, Object> NewRow = new HashMap<String, Object>(); NewRow.put(header[0], Name.getText().toString()); NewRow.put(header[1], currentDateandTime); NewRow.put(header[2], "Expect"); NewRow.put(header[3], TestID.getText()); NewRow.put(header[4], DataCentre.getText()); NewRow.put(header[5], DataHall.getText()); NewRow.put(header[6], Row.getText()); NewRow.put(header[7], Grille.getText()); NewRow.put(header[8], IS.getText()); ICsvMapWriter mapWriter = null; try { mapWriter = new CsvMapWriter(new FileWriter("data/data/" + PACKAGE_NAME +"/writeWithCsvMapWriter.csv"), CsvPreference.STANDARD_PREFERENCE); final CellProcessor[] processors = getProcessors(); mapWriter.writeHeader(header); mapWriter.write(NewRow, header, processors); } finally { if( mapWriter != null ) { mapWriter.close(); } } } ``` Thanks

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