/**
* Expects a filename as first and second parameter.
*
* @param args the command-line parameters
* @throws Exception if something goes wrong
*/
public static void main(String[] args) throws Exception {
// output usage
if (args.length != 2) {
System.err.println("\nUsage: java SaveDataToAnyFile <input> <output>\n");
System.exit(1);
}
System.out.println("\nReading from file " + args[0] + "...");
Instances data = DataSource.read(args[0]);
System.out.println("\nSaving to file " + args[1] + "...");
DataSink.write(args[1], data);
}
public static void main(String[] args) throws Exception {
if (args.length != 3)
throw new IllegalArgumentException(
"Required parameters: <input> <attribute_indices> <output>");
System.out.println("Loading input data: " + args[0]);
Instances input = DataSource.read(args[0]);
System.out.println("Applying filter using indices: " + args[1]);
MekaClassAttributes filter = new MekaClassAttributes();
filter.setAttributeIndices(args[1]);
filter.setInputFormat(input);
Instances output = Filter.useFilter(input, filter);
System.out.println("Saving filtered data to: " + args[2]);
ArffSaver saver = new ArffSaver();
saver.setFile(new File(args[2]));
DataSink.write(saver, output);
}