add shebang line so the script can be run with ./bson_splitter.py

tools/bson_splitter.py

@@ -1,3 +1,4 @@
+#!/bin/env python2
 import sys
 import struct
 import pymongo
@@ -12,8 +13,8 @@ def main(argv):
 def split_bson(path):
     bsonfile_path = os.path.abspath(path)
     splitsfile_out = os.path.join(os.path.dirname(bsonfile_path),  "." + os.path.basename(bsonfile_path) + ".splits")
-    bsonfile = open(bsonfile_path,'r')
-    splitsfile = open(splitsfile_out,'w')
+    bsonfile = open(bsonfile_path, 'r')
+    splitsfile = open(splitsfile_out, 'w')
 
     file_position = 0
     cur_split_start = 0
@@ -25,19 +26,17 @@ def split_bson(path):
                 #print {"start":cur_split_start, "length": bsonfile.tell() - cur_split_start}
                 splitsfile.write(BSON.encode({"s":long(cur_split_start), "l": long(bsonfile.tell() - cur_split_start)}))
             break
-        size = struct.unpack("<i", size_bits)[0] - 4 # BSON size byte includes itself 
+        size = struct.unpack("<i", size_bits)[0] - 4 # BSON size byte includes itself
         file_position += 4
         if cur_split_size + 4 + size > SPLIT_SIZE:
             #print {"start":cur_split_start, "length": bsonfile.tell() - 4 - cur_split_start}
             splitsfile.write(BSON.encode({"s":long(cur_split_start), "l": long(bsonfile.tell() - 4 - cur_split_start)}))
             cur_split_start = bsonfile.tell() - 4
             cur_split_size = 0
-        else:
-            pass
 
         bsonfile.seek(file_position + size)
         file_position += size
         cur_split_size += 4 + size
-    
+
 if __name__ == '__main__':
     main(sys.argv[1:])