c# determine which files are incoming/outgoing

Posted on 2014-07-17
Last Modified: 2014-07-17
I had a project to convert existing folders files into different category folder!  Attached is the sample files (see attachment).  I wanted to identify which file is Incoming and which is Outgoing.  The naming on the files can be identify from the name "Incoming" and "Outgoing".  Now how can I code it in c# to identify that?  I had like thousands of files to convert so it would make senses to write code to do the job!  

The foldername is 2012 which contains all the files in it.
Question by:eli411
  • 2

Accepted Solution

Barry Smith earned 500 total points
ID: 40202961
You just need to test the text of each file's name for whether it contains the text "Incoming" or "Outgoing."

Here's a way to do this:

public enum IODirection

public static IODirection WhichDirection(string filename)
      IODirection result = IODirection.Unknown;

      if (filename.Contains("Incoming"))
            result = IODirection.Incoming;
      else if (filename.Contains("Outgoing"))
            result = IODirection.Outgoing;

      return result;

public void Example()
      string folderPath = "C:\\ExampleFolder";
      foreach (string filename in System.IO.Directory.GetFiles(folderPath))
            if (WhichDirection(filename) == IODirection.Incoming)
                  // ...
            else if (WhichDirection(filename) == IODirection.Outgoing)
                  // ...

Author Comment

ID: 40203377
Working good!  Thanks!

Author Closing Comment

ID: 40203379
Great coding!  Work like magic!

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