This script cleans unused subfields in the MARC DB.
If you alter the MARC parameters and remove a subfield (ie : move it to ignore (10) tab), existing subfields are NOT removed.
It's not a bug, it prevents deleting useful values in case of erroneous move.
-This script definetly remove unused subfields in the MARC DB.
+This script definitely remove unused subfields in the MARC DB.
syntax :
\t./cleanmarcdb.pl -h (or without arguments => shows this screen)
\t./cleanmarcdb.pl -c (c like confirm => cleans the marc DB (may be long)