try {
InputStream in1 = new FileInputStream(args[0]);
InputStream in2 = new FileInputStream(args[0]);
while (true) {
int datum = in1.read();
if (datum == -1) break;
System.out.println("in1: \t" + datum);
datum = in2.read();
if (datum == -1) break;
System.out.println("in2: \t" + datum);
}
in1.close();
in2.close();
}
catch (IOException e) {
System.err.println(e);
}