Changes to file system monitoring.

1 files changed, 16 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Tango.FileSystem/FileSystemManager.cs b/Software/Visual_Studio/Tango.FileSystem/FileSystemManager.cs
index f0b86becf..44c8f1901 100644
--- a/Software/Visual_Studio/Tango.FileSystem/FileSystemManager.cs
+++ b/Software/Visual_Studio/Tango.FileSystem/FileSystemManager.cs
@@ -3,6 +3,7 @@ using System.Collections.Generic;
 using System.IO;
 using System.Linq;
 using System.Text;
+using System.Text.RegularExpressions;
 using System.Threading.Tasks;
 using Tango.FileSystem.Network;
 
@@ -41,6 +42,21 @@ namespace Tango.FileSystem
                 return GetRoot();
             }
 
+            try
+            {
+                if (request.Path.Count(x => x == '%') == 2)
+                {
+                    var variable = Regex.Match(request.Path, "(?<=%)(.*?)(?=%)").Value;
+                    request.Path = request.Path.Replace($"%{variable}%", Environment.ExpandEnvironmentVariables($"%{variable}%"));
+                }
+            }
+            catch
+            {
+                throw new ArgumentException("Could not parse environment variable.");
+            }
+
+            request.Path = Path.GetFullPath(request.Path);
+
             if (!Directory.Exists(request.Path))
             {
                 throw new DirectoryNotFoundException("The specified directory could not be located.");