Checks if path provided corresponds to a directory. : Path « File Stream « C# / C Sharp

Checks if path provided corresponds to a directory.

 * 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>
        ///   Checks if path provided corresponds to a directory.
        /// </summary>
        /// <param name="pathname">
        ///   Path to check.
        /// </param>
        /// <returns>
        ///   <c>true</c> if path is valid directory; else <c>false</c>.
        /// </returns>
        public static bool IsDirectory(string pathname) {
            Debug.Assert(pathname != null);
            FileInfo fileInfo = new FileInfo(pathname);
            return (fileInfo.Attributes & FileAttributes.Directory) != 0;


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