En quelque ligne :
#!/bin/bash
SESSION=/var/www/vulture/sql/sessions
SQLITE=/bin/sqlite
# Nettoyage de la base
echo 'DELETE FROM sessions WHERE id IN (SELECT id FROM sessions LIMIT' `echo 'SELECT COUNT(*) - COUNT(*)*10/100 FROM sessions;' | $SQLITE $SESSION`');' | $SQLITE $SESSION
# Défragmentation et compression de la base
echo "VACUUM;" | $SQLITE $SESSION