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Generate new file name for duplicate files

/ Published in: C#
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Modifies the file name in case an existing filename is in the specified path.
(Ex: myfile.dat
myfile(1).dat
myfile(2).dat
myfile(3).dat)

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  1. /// <summary>
  2.         /// Generates a new path for duplicate filenames.
  3.         /// </summary>
  4.         /// <param name="path">The path.</param>
  5.         /// <returns></returns>
  6.         private string GetNewPathForDupes( string path )
  7.         {
  8.             string directory = Path.GetDirectoryName( path );
  9.             string filename = Path.GetFileNameWithoutExtension( path );
  10.             string extension = Path.GetExtension( path );
  11.             int counter = 1;
  12.  
  13.             string newFullPath;
  14.  
  15.             do
  16.             {
  17.                 string newFilename = "{0}({1}).{2}".FormatWith( filename, counter, extension );
  18.                 newFullPath = Path.Combine( directory, newFilename );
  19.                 counter++;
  20.             } while ( System.IO.File.Exists( newFullPath ) );
  21.  
  22.             return newFullPath;
  23.         }

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