use "with" to handle files

stanza

@@ -36,39 +36,36 @@ def debug(line):
 debug(pformat(args))
 
 # Set up the file handle, <file> or stdin
-if cmd.filename:
-    handle=open(cmd.filename)
-else:
-    handle=sys.stdin
-# Go over the handle, line by line
-for line in handle:
-    # Start buffering if we hit the start regex
-    if re.search(start,line):
-        buffering=True
-        debug('Started buffering on '+start)
-    
-    # Continue buffering if we've already started
-    if buffering:
-        output+=line
+with open(cmd.filename,'r') if cmd.filename else sys.stdin as handle:
+	# Go over the handle, line by line
+	for line in handle:
+	    # Start buffering if we hit the start regex
+	    if re.search(start,line):
+		buffering=True
+		debug('Started buffering on '+start)
+	    
+	    # Continue buffering if we've already started
+	    if buffering:
+		output+=line
 
-    # If a line in the stanza matches, we output the stanza
-    if buffering and re.search(match,line):
-        matched=True
-        debug('Matched on '+match)
+	    # If a line in the stanza matches, we output the stanza
+	    if buffering and re.search(match,line):
+		matched=True
+		debug('Matched on '+match)
 
-    # Output/clear buffer when we encounter an end to the stanza
-    if re.search(end,line) and buffering==True:
-        debug('Finished buffering on '+end)
-        if matched:
-	    # Strip newlines if requrired
-            if cmd.oneline:
-	            print output.replace("\n",'')
-	    else:
-	            print output
-            buffering=False
-            matched=False
-	    output=''
-        else:
-            output=''
-            buffering=False
+	    # Output/clear buffer when we encounter an end to the stanza
+	    if re.search(end,line) and buffering==True:
+		debug('Finished buffering on '+end)
+		if matched:
+		    # Strip newlines if requrired
+		    if cmd.oneline:
+			    print output.replace("\n",'')
+		    else:
+			    print output
+		    buffering=False
+		    matched=False
+		    output=''
+		else:
+		    output=''
+		    buffering=False