/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
// IOExcept.cs -- Demonstrates using if statements to sort out an IOException
//
// Compile this program with the following command line:
// C:>csc IOExcept.cs
//
namespace nsExcept
{
using System;
using System.IO;
public class IOExcept
{
static public void Main (string [] args)
{
if (args.Length == 0)
{
Console.WriteLine ("Please enter a file name");
return;
}
ReadFile (args[0]);
}
static public void ReadFile (string FileName)
{
FileStream strm = null;
StreamReader reader = null;
try
{
strm = new FileStream (FileName, FileMode.Open,
FileAccess.Read);
reader = new StreamReader (strm);
while (reader.Peek() > 0)
{
string str = reader.ReadLine();
Console.WriteLine (str);
}
}
catch (IOException e)
{
if (e is EndOfStreamException)
{
Console.WriteLine ("Attempted to read beyond end of file");
}
else if (e is FileNotFoundException)
{
Console.WriteLine ("The file name " + FileName +
" cannot be found");
return;
}
else if (e is DirectoryNotFoundException)
{
Console.WriteLine ("The path for name " + FileName +
" cannot be found");
return;
}
else if (e is FileLoadException)
{
Console.WriteLine ("Cannot read from " + FileName);
}
reader.Close();
strm.Close ();
}
catch (Exception e)
{
Console.WriteLine (e.Message);
}
}
}
}
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