syspref-diff.pl <syspref-file-1> <syspref-file-2>
For example:
cd <koharoot>/installer/data/mysql syspref-diff.pl en/mandatory.sql fr-FR/1-Obligatoire/unimarcsp.sql
Make a diff between two Koha syspref files. 'en' syspref file beeing authoritative, this script identifies variables to be added/deleted in another language syspref file.