/*
C#: The Complete Reference
by Herbert Schildt
Publisher: Osborne/McGraw-Hill (March 8, 2002)
ISBN: 0072134852
*/
/* Copy a file.
To use this program, specify the name
of the source file and the destination file.
For example, to copy a file called FIRST.DAT
to a file called SECOND.DAT, use the following
command line.
CopyFile FIRST.DAT SECOND.DAT
*/
using System;
using System.IO;
public class CopyFile {
public static void Main(string[] args) {
int i;
FileStream fin;
FileStream fout;
try {
// open input file
try {
fin = new FileStream(args[0], FileMode.Open);
} catch(FileNotFoundException exc) {
Console.WriteLine(exc.Message + "\nInput File Not Found");
return;
}
// open output file
try {
fout = new FileStream(args[1], FileMode.Create);
} catch(IOException exc) {
Console.WriteLine(exc.Message + "\nError Opening Output File");
return;
}
} catch(IndexOutOfRangeException exc) {
Console.WriteLine(exc.Message + "\nUsage: CopyFile From To");
return;
}
// Copy File
try {
do {
i = fin.ReadByte();
if(i != -1) fout.WriteByte((byte)i);
} while(i != -1);
} catch(IOException exc) {
Console.WriteLine(exc.Message + "File Error");
}
fin.Close();
fout.Close();
}
}
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