Delete Attachments in Firefox

[dik]

I have numerous subdirectories and some of these may have subdirectories. These subdirectories have numerous files attached. Is it possible to choose a subdirectory and delete all the file attachments from that subdirectory?
The subdirectories look like:

Could I pick 0512 and delete all the attachments, including those in sub-directories within 0512?

 

[pjw001]

I suspect the answer is no.

See this link

https://support.mozilla.org/en-US/questions/1389946.

 

[dik]

Thanks... means ugly deletions... I guess.