/*
C# A Beginner's Guide
By Schildt
Publisher: Osborne McGraw-Hill
ISBN: 0072133295
*/
/*
Project 11-1
Compare two files.
To use this program, specify the names
of the files to be compared on the command line.
For example:
CompFile FIRST.TXT SECOND.TXT
*/
using System;
using System.IO;
public class CompFiles {
public static void Main(string[] args) {
int i=0, j=0;
FileStream f1;
FileStream f2;
try {
// open first file
try {
f1 = new FileStream(args[0], FileMode.Open);
} catch(FileNotFoundException exc) {
Console.WriteLine(exc.Message);
return;
}
// open second file
try {
f2 = new FileStream(args[1], FileMode.Open);
} catch(FileNotFoundException exc) {
Console.WriteLine(exc.Message);
return;
}
} catch(IndexOutOfRangeException exc) {
Console.WriteLine(exc.Message + "\nUsage: CompFile f1 f2");
return;
}
// Compare files
try {
do {
i = f1.ReadByte();
j = f2.ReadByte();
if(i != j) break;
} while(i != -1 && j != -1);
} catch(IOException exc) {
Console.WriteLine(exc.Message);
}
if(i != j)
Console.WriteLine("Files differ.");
else
Console.WriteLine("Files are the same.");
f1.Close();
f2.Close();
}
}
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