import sys
import traildb

for cookie, trail in traildb.TrailDB(sys.argv[1]).crumbs():
    print cookie, list(trail)

@@ -57,16 +57,18 @@
 TrailDB(
+*(
 sys.argv
@@ -73,9 +73,24 @@
 gv%5B1
-%5D
+:%5D or %5B'a.tdb'%5D)
 ).cr

make a.tdb the default name