From 379739f1caf51537efda5c21a0e65550183ed80a Mon Sep 17 00:00:00 2001
From: Sinisa Veseli <sveseli@aps.anl.gov>
Date: Mon, 8 Feb 2016 08:09:37 +0000
Subject: [PATCH] file size can be zero

---
 .../dm/common/processing/plugins/gridftpFileTransferPlugin.py   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py b/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py
index dc6c5740..c9c3f324 100755
--- a/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py
+++ b/src/python/dm/common/processing/plugins/gridftpFileTransferPlugin.py
@@ -69,7 +69,7 @@ class GridftpFileTransferPlugin(FileTransferPlugin):
             # Check size
             fSize = filePathDict.get('fileSize') 
             sfSize = storageFilePathDict.get('fileSize') 
-            if not fSize or not sfSize or fSize != sfSize:
+            if fSize is None or sfSize is None or fSize != sfSize:
                 # Sizes differ, need to transfer file
                 continue
 
-- 
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