Some fixes -- DirHandle isn't behaving as expected.

Bash/header

@@ -8,6 +8,12 @@ function header () {
 function errorheader () {
     tput setaf 1 1>&2; tput bold 1>&2; echo "ERROR:" $@ 1>&2; tput sgr0 1>&2; return
 }
+function infoheader() {
+    tput setaf 3; tput bold; echo $@; tput sgr0; return
+}
+function colorstrip() {
+    perl -e 'use strict; use warnings; while(<>) { s/\e\[[\d;]*m//g; print; }'
+}
 
 ## Configuration reading ##
 function param() { 

CSharp/Configure.csharp

@@ -88,7 +88,8 @@ namespace AniNIX.Shared {
             int i = 0; 
             for (i = 0; i < lines.Count; i++) {
                 if (lines[i].Length > 5 && lines[i][0] == '[' && lines[i][lines[i].Length-1] == ']') {
-                    foundHeaders.Add(lines[i].Substring(2,lines[i].Length-4));
+                    string foundHeader = lines[i].Substring(2,lines[i].Length-4);
+                    if (!foundHeaders.Contains(foundHeader)) foundHeaders.Add(foundHeader);
                 }
             }
             return foundHeaders;

CSharp/DirHandle.csharp

@@ -42,6 +42,42 @@ namespace AniNIX.Shared {
             return new List<String>(Directory.GetFiles(@_path));
         }
 
+        /// <summary>
+        /// Get the path of the newest file.
+        /// </summary>
+        /// <returns>A List of strings</returns>
+        public String GetNewest() {
+           try {
+                return this.SortedListOfFiles()[0].FullName.Trim();
+            } catch (Exception e) {
+                e.ToString();
+                return null;
+            }
+        }
+
+        /// <summary>
+        /// Get the path of the oldest file
+        /// </summary>
+        /// <returns>A List of strings</returns>
+        public String GetOldest() {
+            try {
+                FileInfo[] files = this.SortedListOfFiles();
+                return files[files.Length-1].FullName.Trim();
+            } catch (Exception e) {
+                e.ToString();
+                return null;
+            }
+ 
+        }
+
+        /// <summary>
+        /// Sorts the list of files from newest to oldest.
+        /// </summary>
+        /// <returns>A List of strings</returns>
+        private FileInfo[] SortedListOfFiles() {
+            return (new DirectoryInfo(@_path)).GetFiles().OrderByDescending(p => p.CreationTime).ToArray();
+        }
+
         /* IDisposable */
 
         /// <summary>

CSharp/FileHandle.csharp

@@ -24,21 +24,26 @@ namespace AniNIX.Shared {
         }
 
         /// <summary>
-        /// Read the next line. If already reached EOF, block until line is added.
+        /// Read the next line.
         /// </summary>
         /// <returns>Next line</returns>
         public String NextLine() {
-            String nextLine = _fileHandle.ReadLine();
-            if (nextLine != null) { 
-                return nextLine;
-            } else {
-                FileSystemWatcher fsw = new FileSystemWatcher(_directory);
-                fsw.Path = _directory;
-                fsw.Filter = _file;
-                fsw.NotifyFilter = NotifyFilters.LastWrite;
-                fsw.WaitForChanged(WatcherChangeTypes.Changed);
-                return _fileHandle.ReadLine();
-            }
+            return _fileHandle.ReadLine();
+        }
+
+        /// <summary>
+        /// Get the next new line added to the file.
+        /// </summary>
+        /// <returns>Next new line</returns>
+        public string NextNewLine() {
+            FileSystemWatcher fsw = new FileSystemWatcher(_directory);
+            fsw.Path = _directory;
+            fsw.Filter = _file;
+            fsw.NotifyFilter = NotifyFilters.LastWrite;
+            fsw.WaitForChanged(WatcherChangeTypes.Changed);
+            // Optionally, this could be accomplished with http://stackoverflow.com/questions/452902/how-to-read-a-text-file-reversely-with-iterator-in-c-sharp
+            // Instead, we are using a syscall for sake of codespace and testing.
+            return ExecuteCommand.Run(String.Format("tail -n 1 {0}",this._path));
         }
 
         /// <summary>
@@ -61,7 +66,7 @@ namespace AniNIX.Shared {
         }
 
         /* IDisposable */ 
-        
+
         /// <summary>
         /// Clean up this FileStream, implementing IDisposable
         /// </summary>