Create Temp File : File Util « File Stream « C# / C Sharp

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

Create Temp File

   
// crudwork
// Copyright 2004 by Steve T. Pham (http://www.crudwork.com)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with This program.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.Collections.Generic;
using System.IO;
using System.Text;
using System.CodeDom.Compiler;
using System.Text.RegularExpressions;

namespace crudwork.Utilities
{
  /// <summary>
  /// File Utility
  /// </summary>
  public static class FileUtil
  {
        static int unique = 0;
    #region CreateTempFile
    /// <summary>
    /// Generate a unique temp filename with the extension specified.
    /// </summary>
    /// <param name="extension"></param>
    /// <returns></returns>
    public static string GenerateUniqueTempFilename(string extension)
    {
      string fstem = Path.GetRandomFileName();
      return String.Format("{0}@AutoGen_{1}_{2}.{3}", Path.GetTempPath(), fstem, ++unique, extension);
    }

    /// <summary>
    /// Write a string List array to a unique temporarily filename with the specify extension.
    /// </summary>
    /// <param name="extension"></param>
    /// <param name="list"></param>
    /// <returns></returns>
    public static string CreateTempFile(string extension, params string[] list)
    {
      try
      {
            TempFileCollection tempFiles = new TempFileCollection();
        string filename = GenerateUniqueTempFilename(extension);
        tempFiles.AddFile(filename, false);

        WriteFile(filename, list);

        return filename;
      }
      catch (Exception ex)
      {
        throw;
      }
    }
    #endregion
    /// <summary>
    /// Write a byte array to filename
    /// </summary>
    /// <param name="filename"></param>
    /// <param name="content"></param>
    public static void WriteFile(string filename, byte[] content)
    {
      int bufSize = 1024;
      try
      {
        using (FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write, FileShare.Read, bufSize))
        using (BinaryWriter w = new BinaryWriter(fs))
        {
          for (int i = 0; i < content.Length; i++)
          {
            w.Write(content[i]);
          }

          w.Flush();
          w.Close();
        }
      }
      catch (Exception ex)
      {
        throw;
      }
    }

    /// <summary>
    /// Write a string array to a file.
    /// </summary>
    /// <param name="filename"></param>
    /// <param name="content"></param>
    public static void WriteFile(string filename, string[] content)
    {
      try
      {
        using (StreamWriter w = new StreamWriter(filename, false))
        {
          for (int i = 0; i < content.Length; i++)
          {
            w.WriteLine(content[i]);
          }

          w.Flush();
          w.Close();
        }
      }
      catch (Exception ex)
      {
        
        throw;
      }
    }

    /// <summary>
    /// Write a string to a file.
    /// </summary>
    /// <param name="filename"></param>
    /// <param name="content"></param>
    public static void WriteFile(string filename, string content)
    {
      WriteFile(filename, new string[] { content });
    }    
   }
}

   
    
    
  

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