xapian-metadata (1) - Linux Manuals
xapian-metadata: Read and write user metadata
NAME
xapian-metadata - Read and write user metadataSYNOPSIS
xapian-metadata get PATH_TO_DATABASE KEYDESCRIPTION
xapian-metadata - Read and write user metadata- 
xapian-metadata list PATH_TO_DATABASE [PREFIX]
xapian-metadata set PATH_TO_DATABASE KEY VALUE