Extracts a path part of a full path filename, searching for the last directory separator or column. : File Name « File Stream « C# / C Sharp

1. C# / C Sharp
2. File Stream
3. File Name

Extracts a path part of a full path filename, searching for the last directory separator or column.

     

/*
 * Filename:    FileUtil.cs
 * Product:     Versioning Controlled Build
 * Solution:    BuildAutoIncrement
 * Project:     Shared
 * Description: File utility methods.
 * Copyright:   Julijan ?ribar, 2004-2007
 * 
 * This software is provided 'as-is', without any express or implied
 * warranty.  In no event will the author(s) be held liable for any damages
 * arising from the use of this software.
 *
 * Permission is granted to anyone to use this software for any purpose,
 * including commercial applications, and to alter it and redistribute it
 * freely, subject to the following restrictions:
 *
 * 1. The origin of this software must not be misrepresented; you must not
 *    claim that you wrote the original software. If you use this software
 *    in a product, an acknowledgment in the product documentation would be
 *    appreciated but is not required.
 * 2. Altered source versions must be plainly marked as such, and must not be
 *    misrepresented as being the original software.
 * 3. This notice may not be removed or altered from any source distribution.
 */
using System;
using System.Diagnostics;
using System.IO;
using System.Text;
using System.Text.RegularExpressions;

namespace BuildAutoIncrement {

    /// <summary>
  /// A set of file utilities.
  /// </summary>
  public struct FileUtil {

        /// <summary>
        ///   Extracts a path part of a full path filename, searching for the
        ///   last directory separator or column. If none is found, the entire
        ///   string is returned. Else, the path up to (but not including) 
        ///   separator is returned.
        ///   TODO: check if this is the same as Path.GetDirectoryName method
        /// </summary>
        /// <param name="fileName"></param>
        /// <returns></returns>
        public static string ExtractDirectoryName(string fileName) {
            int directoryNameEnd = fileName.LastIndexOfAny(new char[] { ':', '\\', '/' } );
            if (directoryNameEnd == -1)
                directoryNameEnd = fileName.Length;
            return fileName.Substring(0, directoryNameEnd);
        }
  }
}

   
    
    
    
    
  

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