import java.io.*;

public class TextCompare {
	public static void compare(File f1, File f2) {
	try {
			int b=0, line=1, col=1;
			boolean run=true;
			Reader bf1, bf2;
			int buf1=0, buf2=0;
			bf1 = new BufferedReader(new FileReader(f1));
			bf2 = new BufferedReader(new FileReader(f2));
			
			
			while(run && buf1!=-1 && buf2!=-1) 
			{
			buf1=bf1.read();
			buf2=bf2.read();
				
				if(buf1==buf2)
				{b++;
				col++;
				
					if(buf1==10)
					{line++;
					col=1;}
				}				
				
				
				else {
					run=false;
					System.out.println("Unterschied entdeckt an Byte "+b+" Zeile:"+line+" Spalte:"+col);
					}
			}	
				if(run==true) 
				{
				System.out.println("Die Dateien sind gleich!");
				}
			
		}
		catch(FileNotFoundException fnfe) {
			System.out.println("Eine Datei wurde nicht gefunden:\n"+fnfe.getMessage());
		}
		catch(IOException ioe) {
			System.out.println("IOException!");
		}
	}
	
	public static void main(String args[]) {
		compare(new File(args[0]), new File(args[1]));
	}
}