Index: trunk/webapps/unifiedlogger/cad_watcher.py
===================================================================
--- trunk/webapps/unifiedlogger/cad_watcher.py	(revision 436)
+++ trunk/webapps/unifiedlogger/cad_watcher.py	(revision 439)
@@ -3,5 +3,9 @@
 
 # CAD comment log Watcher
-# Look for changes in the CAD comment log
+# Look for changes in the CAD comment log.
+# The CADserver will append new comments to the log as they arrive 
+# from clients.  We only need to keep track of the log length in order to
+# determine if a new comment has been added.  We will output the 
+# new messages that arrived during the last wait interval. 
 # jdalbey  7/6/2019
 
@@ -14,9 +18,9 @@
     return not isEmpty(cmsitem)
 
-# Read the cms message file
+# Read the cad comments log 
 def readFile():
     lines = []
     try:
-        text_file = open("../../CADcomments.log", "r")
+        text_file = open("CADcomments.log", "r")
     except IOError:
         print "Error: missing CADcomments.log file."
@@ -39,9 +43,10 @@
     return currList
 
+# Local main for unit testing
 def main():
     setup()
-    # Loop Forever
+    # Loop Forever, checking every five seconds
     while True:
-        # Look for changed messages
+        # Look for new messages
         answer = getLogEntries()
         # Output results