#region License and Copyright
/* -------------------------------------------------------------------------
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* -------------------------------------------------------------------------
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
/// <summary>
/// This class provides basic facilities for manipulating files and file paths.
///
/// <h3>File-related methods</h3>
/// There are methods to
/// <list type="bullet">
/// <item>copy a file to another file,</item>
/// <item>compare the content of 2 files,</item>
/// <item>delete files using the wildcard character,</item>
/// <item>etc</item>
/// </list>
/// </summary>
///
public sealed class FileUtils
{
/// ---------------------------------------------------------------
/// <summary> Tests if the specified <i>file</i> is newer than the reference
/// <i>file</i>.
///
/// </summary>
/// <param name="newerFile">the <i>file</i> of which the modification date must be compared
/// </param>
/// <param name="referenceFile">the <i>file</i> of which the modification date is used
/// like reference
/// </param>
/// <returns> true if the <i>file</i> exists and has been modified more recently
/// than the reference <i>file</i>.
/// </returns>
/// ---------------------------------------------------------------
public static bool IsNewer(FileInfo newerFile, FileInfo referenceFile)
{
if (referenceFile == null)
throw new ArgumentNullException("referenceFile");
bool exists = referenceFile.Exists;
if (!referenceFile.Exists)
exists = Directory.Exists(referenceFile.FullName);
if (!exists)
throw new System.ArgumentException("The reference file '" + referenceFile + "' doesn't exist");
return IsNewer(newerFile, referenceFile.LastWriteTime);
}
/// ---------------------------------------------------------------
/// <summary>
/// Tests if the specified <i>file</i> is newer than the specified
/// time reference.
/// </summary>
/// <param name="file">the <i>file</i> of which the modification date must be compared.</param>
/// <param name="timeCompare">the time reference</param>
/// <returns>true if the <i>file</i> exists and has been modified after
/// the given time reference.</returns>
/// ---------------------------------------------------------------
public static bool IsNewer(FileInfo file, DateTime timeCompare)
{
if (file == null)
throw new ArgumentException("No file specified");
bool exists = file.Exists;
if (!file.Exists)
exists = Directory.Exists(file.FullName);
if (!exists)
return false;
return (file.LastWriteTime > timeCompare);
}
}
}
Author: coder
Get all the files that matches a wildcard pattern, eg. (*.tmp)
#region License and Copyright
/* -------------------------------------------------------------------------
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* -------------------------------------------------------------------------
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
/// <summary>
/// This class provides basic facilities for manipulating files and file paths.
///
/// <h3>File-related methods</h3>
/// There are methods to
/// <list type="bullet">
/// <item>copy a file to another file,</item>
/// <item>compare the content of 2 files,</item>
/// <item>delete files using the wildcard character,</item>
/// <item>etc</item>
/// </list>
/// </summary>
///
public sealed class FileUtils
{
private static bool hasWildCards(string file)
{
return file.IndexOf("*") > -1;
}
/// ---------------------------------------------------------------
/// <summary>
/// Get all the files that matches a wildcard pattern, eg. (*.tmp)
/// </summary>
/// <param name="pathPattern">Wildcard pattern to search, eg. (Profile*.doc)</param>
/// <returns>an array of FileInfo objects that results from the wildcard pattern file search</returns>
/// ---------------------------------------------------------------
public static FileInfo[] GetFilesMatchWildCard(string pathPattern)
{
FileInfo[] files = new FileInfo[0];
if (hasWildCards(pathPattern))
{
string dir = Path.GetDirectoryName(pathPattern);
DirectoryInfo info = new DirectoryInfo(dir);
string pattern = Path.GetFileName(pathPattern);
if (info.Exists)
files = info.GetFiles(pattern);
}
else
{
files = new FileInfo[] {new FileInfo(pathPattern.Trim())};
}
return files;
}
}
}
Returns an array of abstract pathnames representing the files and directories of the specified path.
#region License and Copyright
/* ————————————————————————-
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* ————————————————————————-
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
///
///
///
File-related methods
/// There are methods to
///
///
///
///
///
///
///
///
public sealed class FileUtils
{
/// —————————————————————
///
///
/// The abstract pathname to list it childs.
///
/// null if the path is not a directory
/// —————————————————————
public static FileInfo[] GetFiles(FileInfo path)
{
if ((path.Attributes & FileAttributes.Directory) > 0)
{
String[] fullpathnames = Directory.GetFileSystemEntries(path.FullName);
FileInfo[] result = new FileInfo[fullpathnames.Length];
for (int i = 0; i < result.Length; i++)
result[i] = new FileInfo(fullpathnames[i]);
return result;
}
return null;
}
}
}
[/csharp]
Read the content of the text file.
#region License and Copyright
/* -------------------------------------------------------------------------
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* -------------------------------------------------------------------------
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
/// <summary>
/// This class provides basic facilities for manipulating files and file paths.
///
/// <h3>File-related methods</h3>
/// There are methods to
/// <list type="bullet">
/// <item>copy a file to another file,</item>
/// <item>compare the content of 2 files,</item>
/// <item>delete files using the wildcard character,</item>
/// <item>etc</item>
/// </list>
/// </summary>
///
public sealed class FileUtils
{
/// ---------------------------------------------------------------
/// <summary>
/// Read the content of the text file.
/// </summary>
/// <param name="path">Full path (directory + filename) of file to read</param>
/// <returns>content in string</returns>
/// ---------------------------------------------------------------
public static string ReadTextFile(string path)
{
string content = "";
FileStream stream = null;
StreamReader reader = null;
FileInfo fi = new FileInfo(path);
if (!fi.Exists)
throw new FileNotFoundException(string.Format("The file '{0}' does not exists", path));
try
{
stream = fi.OpenRead();
reader = new StreamReader(stream);
content = reader.ReadToEnd();
}
finally
{
if (stream != null)
{
stream.Close();
}
if (reader != null)
{
reader.Close();
}
}
return content;
}
}
}
Checks if the giving File exists, and returns its length
#region License and Copyright
/* -------------------------------------------------------------------------
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* -------------------------------------------------------------------------
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
/// <summary>
/// This class provides basic facilities for manipulating files and file paths.
///
/// <h3>File-related methods</h3>
/// There are methods to
/// <list type="bullet">
/// <item>copy a file to another file,</item>
/// <item>compare the content of 2 files,</item>
/// <item>delete files using the wildcard character,</item>
/// <item>etc</item>
/// </list>
/// </summary>
///
public sealed class FileUtils
{
/// ---------------------------------------------------------------
/// <summary>
/// Checks if the giving File exists, and returns its length
/// </summary>
/// <param name="file">The File instance to check</param>
/// <returns>The length of the file if it exists, 0 otherwise</returns>
/// ---------------------------------------------------------------
public static long GetFileLength(FileInfo file)
{
if (file.Exists)
return file.Length;
else
return 0;
}
}
}
Gets information about the files in a directory and puts it in an array of strings.
#region License and Copyright
/* ————————————————————————-
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* ————————————————————————-
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
///
///
///
File-related methods
/// There are methods to
///
///
///
///
///
///
///
///
public sealed class FileUtils
{
/// —————————————————————
///
/// The file attributes are separated by commas.
///
///
///
/// An string array containing comma separated values of
/// file information in a given directory
///
/// As the comma character is a valid character in a file name,
/// the values are encapsulated within a double
/// quote, eg. “Dotnet.Commons.IO.dll”,”28672″,”26/01/2006 2:25:26 AM”,”27/07/2006 10:18:04 PM”,”27/07/2006 10:16″,”Archive”
///
/// —————————————————————
public static string[] GetDirectoryFileInfo(string directory)
{
return GetDirectoryFileInfo(directory, ',');
}
private static string encapsulateInQuote(string value, bool toEncapsulate)
{
if (toEncapsulate)
return string.Format(“”{0}””, value);
else
return value;
}
/// —————————————————————
///
///
///
///
/// —————————————————————
public static FileInfo[] GetFilesInDirectory(string directory)
{
if ((directory == null) || (directory.Length < 1))
throw new System.ArgumentException("Directory supplied is either null or empty");
DirectoryInfo dirInfo = new DirectoryInfo(directory);
if (!dirInfo.Exists)
throw new System.ArgumentException("Directory '" + directory + "' does not exist.");
return dirInfo.GetFiles();
}
/// ---------------------------------------------------------------
///
///
/// name of directory to search
/// delimeter character to separator file attributes
///
/// An string array containing comma separated values of
/// file information in a given directory in the format:
///
/// filename,Size,CreationTime,LastAccessTime,LastWriteTime,Attributes
///
/// assuming that the delimeter chosen is the comma ',' character.
///
/// —————————————————————
public static string[] GetDirectoryFileInfo(string directory, char delimeter)
{
ArrayList al = new ArrayList();
al.Add(String.Format(“Name{0}Size{0}CreationTime{0}LastAccessTime{0}LastWriteTime{0}Attributes”, delimeter));
bool toEncapsulateInQuote = delimeter == ',';
FileInfo[] files = GetFilesInDirectory(directory);
for (int i = 0; i < files.Length; i++)
{
System.Text.StringBuilder buffy = new System.Text.StringBuilder();
buffy.Append(encapsulateInQuote(files[i].Name, toEncapsulateInQuote));
buffy.Append(delimeter);
buffy.Append(encapsulateInQuote(files[i].Length.ToString(), toEncapsulateInQuote));
buffy.Append(delimeter);
buffy.Append(encapsulateInQuote(files[i].CreationTime.ToString(), toEncapsulateInQuote));
buffy.Append(delimeter);
buffy.Append(encapsulateInQuote(files[i].LastAccessTime.ToString(), toEncapsulateInQuote));
buffy.Append(delimeter);
buffy.Append(encapsulateInQuote(files[i].LastWriteTime.ToString(), toEncapsulateInQuote));
buffy.Append(delimeter);
buffy.Append(encapsulateInQuote(files[i].Attributes.ToString(), toEncapsulateInQuote));
al.Add(buffy.ToString());
}
string[] dInfo = new string[al.Count];
al.CopyTo(dInfo);
return dInfo;
}
}
}
[/csharp]
Implements the same behaviour as the “touch” utility on Unix.
#region License and Copyright
/* -------------------------------------------------------------------------
* Dotnet Commons IO
*
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the
*
* Free Software Foundation, Inc.,
* 59 Temple Place,
* Suite 330,
* Boston,
* MA 02111-1307
* USA
*
* -------------------------------------------------------------------------
*/
#endregion
using System;
using System.Collections;
using System.Globalization;
using System.IO;
namespace Dotnet.Commons.IO
{
///
/// <summary>
/// This class provides basic facilities for manipulating files and file paths.
///
/// <h3>File-related methods</h3>
/// There are methods to
/// <list type="bullet">
/// <item>copy a file to another file,</item>
/// <item>compare the content of 2 files,</item>
/// <item>delete files using the wildcard character,</item>
/// <item>etc</item>
/// </list>
/// </summary>
///
public sealed class FileUtils
{
/// ---------------------------------------------------------------
/// <summary>
/// Implements the same behaviour as the "touch" utility on Unix. It creates
/// a new file with size 0 or, if the file exists already, it is opened and
/// closed without modifying it, but updating the file date and time.
/// </summary>
/// <param name="file"> File to touch</param>
/// <exception cref="IOException">If an I/O problem occurs</exception>
/// ---------------------------------------------------------------
public static void Touch(FileInfo file)
{
if (file.Exists)
{
FileStream fs = file.OpenRead();
fs.Close();
file.LastAccessTime = DateTime.Now;
file.Refresh();
}
else
{
FileStream fs = file.OpenWrite();
fs.WriteByte(0);
fs.Close();
file.Refresh();
}
}
}
}