Fully functional! In a basic way, but usable

Jump.Location/CommandController.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Diagnostics;
 using System.Linq;
 using System.Threading;
 
@@ -12,17 +13,19 @@ class CommandController
         private bool needsToSave;
         private DirectoryWaitPeriod waitPeriod;
 
-        public CommandController(IDatabase database, IFileStoreProvider fileStore)
+        internal CommandController(IDatabase database, IFileStoreProvider fileStore)
         {
             this.database = database;
             this.fileStore = fileStore;
             var thread = new Thread(SaveLoop);
             thread.Start();
         }
 
-        public CommandController(string path)
-            :this(new Database(), new FileStoreProvider(path))
+        public static CommandController Create(string path)
         {
+            var fileStore = new FileStoreProvider(path);
+            var database = fileStore.Revive();
+            return new CommandController(database, fileStore);
         }
 
         public void UpdateLocation(string fullName)
@@ -53,7 +56,7 @@ private void SaveLoop()
                     }
                     catch(Exception e)
                     {
-                        Console.Error.WriteLine("Jump-Location received {0}: {1}", e.GetType().Name, e.Message);
+                        EventLog.WriteEntry("Application", string.Format("{0}\r\n{1}", e, e.StackTrace));
                     }
                 }
                 else Thread.Sleep(0);

Jump.Location/JumpLocationCommand.cs

@@ -1,19 +1,18 @@
-using System.Linq;
-using System.Management.Automation;
+using System.Management.Automation;
 
 namespace Jump.Location
 {
     [Cmdlet("Jump", "Location")]
     public class JumpLocationCommand : PSCmdlet
     {
         private static bool _hasRegisteredDirectoryHook;
-        private static readonly CommandController Controller = new CommandController(@"C:\Users\Kerianne\jump-location.txt");
+        private static readonly CommandController Controller = CommandController.Create(@"C:\Users\Kerianne\jump-location.txt");
 
         /*
          * x1. Figure out how long they stay in the directory
          * x2. Log occurences of filename / weight
          * x3. Tail matches - search matches beginning of last segment of path
-         * 4. Make MSI installer for easy use
+         * x4. Make MSI installer for easy use
          * 5. Weighting algorithm - match what Autojump does to increase weights
          * 6. Match what Autojump does to degrade weights
          * 7. Multiple args - last arg is a tail match, previous args match previous segments
@@ -43,7 +42,7 @@ protected override void BeginProcessing()
 
             InvokeCommand.InvokeScript(@"Set-PSBreakpoint -Variable pwd -Mode Write -Action {
                 [Jump.Location.JumpLocationCommand]::UpdateTime($($(Get-Item -Path $(Get-Location))).PSPath);
-            }", "hello Jim");
+            }");
 
             _hasRegisteredDirectoryHook = true;
         }

Readme.md

@@ -4,13 +4,12 @@ Jump-Location: A cd that learns
 If you spend any time in a console you know that `cd` is by far the most
 common command that you issue. You'll open up a console to `C:\Users\me`
 or `C:\Windows\system32` and then issue a `cd C:\work\Website`. 
-`Jump-Location` is a cmdlet lets you issue a `Jump-Location we` to jump 
+`Jump-Location` is a cmdlet lets you issue a `j we` to jump 
 directly to `C:\work\Website`. 
 
 It learns your behavior by keeping track of how long you spend in certain
-directories and favoring them over the ones you don't care about. You don't 
-have to 
-use `Jump-Location` as a replacement for `cd`. Use `cd`	to go local, and 
+directories and favoring them over the ones you don't care about.  You don't 
+have to use `Jump-Location` as a replacement for `cd`. Use `cd`	to go local, and 
 use `Jump-Location` to jump further away.
 
 `Jump-Location` is a powershell implementation of