private static PrintWriter argumentToOutput(String arg, Charset outputCharset)
throws ParseException, IOException {
if ("-".equals(arg)) {
return new PrintWriter(new OutputStreamWriter(System.out, outputCharset));
}
final File outFile = new File(arg);
try {
return new PrintWriter(Files.newBufferedWriter(outFile.toPath(), outputCharset));
} catch (FileNotFoundException e) {
throw new ParseException("Output file '" + outFile + "' not found");
}
}
