michael angelo ruberto writes:

i had tried something similar already without success. here is the error your script caused: ... Error Type: TypeError Error Value: unsubscriptable object

for some reason Zope just doesn't want to compare ZopeTime with bobobase_modification_time.

"bobobase_modification_time" is a method (at least for folder), not a value. Use "_['bobobase_modification_time']" instead. Dieter