One method would be to do a custom search form to gather the entries you are looking for and then you could from those search results print them to a file.

Please check out the FAQ under "Searching" and then search for a the mod - send search results to text file by searching the FAQ for "sub html_printout"

Hope this helps

Unoffical DBMan FAQ

http://creativecomputingweb.com/dbman/index.shtml/