/*
C# Programming Tips & Techniques
by Charles Wright, Kris Jamsa
Publisher: Osborne/McGraw-Hill (December 28, 2001)
ISBN: 0072193794
*/
// ShowDir.cs -- Changes the current working directory and then lists
// the files in the directory.
//
// Compile this program with the following command line:
// C:>csc ShowDir.cs
using System;
using System.IO;
namespace nsStreams
{
public class ShowDir
{
static public void Main (string [] args)
{
if (args.Length > 0)
{
// Build the directory name from the arguments (a directory name may
// contain spaces).
string DirName = "";
foreach (string str in args)
{
DirName += str;
DirName += " ";
}
// Strip any leading or trailing spaces from the directory name
DirName = DirName.Trim ();
// Check whether the directory exists
// if (!Directory.Exists(DirName))
// {
// Console.WriteLine ("No such directory: " + DirName);
// return;
// }
// Set the current working directory
try
{
Directory.SetCurrentDirectory (DirName);
}
catch (UnauthorizedAccessException)
{
Console.WriteLine ("Not authorized to access " + DirName);
return;
}
catch (FileNotFoundException)
{
Console.WriteLine ("No such directory: " + DirName);
return;
}
}
// List the files in the selected directory
string [] files = Directory.GetFiles (".");
foreach (string str in files)
{
int index = str.LastIndexOf ("\\");
Console.WriteLine (str.Substring (index + 1));
}
}
}
}
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