Hi Will, There are some capability within QuickView (the k2_viewer program in the PVS stream), including an ASCII dump of GDS - see QuickView 015 ASCII Import/Export . However, this only appears to be available through the UI and none of the batch programs dump out the modification date from the BGNSTR record. Of course, you could write your own using C code (I've done similar things in the past, but never to dump out the modification date from each structure). So I don't think there's a Cadence utility or script to do such a thing. I did just do a google search for "python program to read GDSII" and here's one such library of functions that might help: https://pythonhosted.org/python-gdsii/ Regards, Andrew
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