Added Files

PepLib.Core/Util.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Diagnostics;
+using System.IO;
+
+namespace PepLib
+{
+    public static class Util
+    {
+        public static string GetNestFileFormat(string filename)
+        {
+            try
+            {
+                var name = Path.GetFileName(filename);
+                var ext = Path.GetExtension(name);
+
+                if (name.LastIndexOf(ext) > 5 && !name.Contains("-"))
+                    name = name.Insert(5, "-");
+
+                if (name.LastIndexOf(ext) > 8 && char.IsLetter(name[8]))
+                    name = name.Remove(8, 1);
+
+                return Path.Combine(Path.GetDirectoryName(filename), name);
+            }
+            catch (SystemException ex)
+            {
+                Debug.WriteLine(ex.Message);
+            }
+
+            return string.Empty;
+        }
+    }
+}