Jim Fulton writes: > To make this work, we need a good way of diffing pickles. Jim, If the basic requirement is for a binary diff facility, perhaps you should look into XDelta; I think that's available as a C library as well as a command line tool, so you should be able to hook it in fairly easily. -Fred -- Fred L. Drake, Jr. <fdrake at acm.org> Corporation for National Research Initiatives