From 3ac3b1a62446d9ab0cf1ae654fe3c5b400b0c5eb Mon Sep 17 00:00:00 2001
From: Jaisen Mathai <jaisen@jmathai.com>
Date: Mon, 12 Oct 2015 19:39:58 -0700
Subject: [PATCH] Remove filename prefix from prior run if it exists

---
 elodie/filesystem.py | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/elodie/filesystem.py b/elodie/filesystem.py
index 3b949b0..2a91859 100644
--- a/elodie/filesystem.py
+++ b/elodie/filesystem.py
@@ -61,7 +61,13 @@ class FileSystem:
         if(metadata == None):
             return None
 
-        file_name = '%s-%s.%s' % (time.strftime('%Y-%m-%d_%H-%M-%S', metadata['date_taken']), metadata['base_name'], metadata['extension'])
+        # We want to remove the date prefix we add to the name.
+        # This helps when re-running the program on file which were already processed. 
+        base_name = re.sub('^\d{4}-\d{2}-\d{2}_\d{2}-\d{2}-\d{2}-', '', metadata['base_name'])
+        if(len(base_name) == 0):
+            base_name = metadata['base_name']
+
+        file_name = '%s-%s.%s' % (time.strftime('%Y-%m-%d_%H-%M-%S', metadata['date_taken']), base_name, metadata['extension'])
         return file_name.lower()
 
     """