private PrintStream getPrimaryStream(boolean showError) {
        File primaryFile = getPrimaryFile();
        setStreamFromFile(primaryFile, false, primaryFile.length(), showError);
        return currentPrintStream;
    }
private PrintStream getPrimaryStream ( boolean showError ) { File primaryFile = getPrimaryFile ( ) ; setStreamFromFile ( primaryFile , false , primaryFile . length ( ) , showError ) ; return currentPrintStream ; }
This assume that the primary file exists.

@param showError
@return