All this recent talk of ODS just reminded me that there is a Linux file system driver that can read ODS-5 images. As it's all GPL, you can have a play with it. https://github.com/RomanHargrave/linux-ods5.git Tools to go with it: https://github.com/RomanHargrave/linux-ods5-tools Hope this is of use! -- Tactical Nuclear Kittens