No it's a moving target, the first part is the one which is constant and that's why we want to eleminate it in the title block, the file name is something like that:
AAAAA-BCDDEE (with the exact no. of characters)
where the 5As refer to the project no. which is of course constant for all dwgs in that project, and that's the part we want to eleminate.
I said i need a diesel expert to help me, not to tell me use diesel language, i know nothing about this language.
anyway thanks a lot for telling me its possible.
Also, couldn't diesel expressions be passed inside fields?