Thanks, @carolyndelaney, for your question, and thanks, @carlseibert, for your comments.
Carl’s right about the file name portion of your question. MLA does not have any features that let you change the actual name of the file attached to a Media Library item. I decided long ago that changing the file name had a number of side effects that I wanted no part of.
You can, however, easily extract the first IPTC keyword and use it to populate the Title field or any of the other fields associated with the item.
There are two MLA features that can help you compose a value for the Title field. First, in the Bulk Edit area you can use a Content Template in the Title textbox. Try something like this:
template:[+iptc:2#025,single+]
The template: prefix marks your entry as a Content Template, iptc:2#025 extracts the IPTC Keywords from the file metadata and the ,single format option value selects just the first keyword assigned to the file. You can find more information in the “Content Templates” and “Field-level IPTC Identifiers and Friendly Names” sections of the Settings/Media Library Assistant Documentation tab.
You can also automate the process by defining an IPTC/EXIF mapping rule to fill the Title field as the item is uploaded or on demand after the upload.
Both approaches are described in this earlier topic:
Bulk Edit: Title, Alt Tag, descripion and so on broken on &
For your specific needs, substitute “Title” for “ALT Text” and template:[+iptc:2#025,single+] for template:[+file_name+] when reading the earlier topic.
I hope that gets you started on a solution for your application. I am marking this topic resolved, but please update it if you have any problems or further questions regarding the above suggestions. Thanks for your interest in the plugin.