Clara, Typically you would make the changes to the record object in memory and then write it out to a new file. There's an example of writing a record to a file at https://pymarc.readthedocs.io/en/latest/pymarc.html#module-pymarc On Fri, Nov 2, 2018 at 10:07 AM Clara Turp <[log in to unmask]> wrote: > Hello everyone, > > I am trying to update a MARC record using pymarc and it's not really > working, I can print the change in the console, but can't see it in the > actual MARC record. > I am wondering what step I am missing. I am using the pymarc.record module > to add the field. > > Anyone with some experience with pymarc willing to help me out? > > Thank you! > Clara Turp > Assistant Librarian, > Metadata Analyst Librarian, > McGill University > (514)398-6969 <(514)%20398-6969> > [log in to unmask]<mailto:[log in to unmask]> >