Added code to delete all but the most recent 10 backups

web/clitools/maintain/maintain.bash

@@ -63,6 +63,8 @@ if [ "${ec}" != "0" ]; then
 else
 	logcmd "xz -9 ${ofp}" "${logfp}"
 fi
+buff=`ls -1rt maintain/backups/${dbname}_backup-*.sql.xz | head -n -10`
+for fn in $buff; do rm "$fn"; done
 [ $ok -eq 1 ] && subj="maintain.bash: tutto ok :-)" || subj="maintain.bash: ci sono errori :-("
 body="[[[ ${logfp} ]]]\n\n"
 body+=`cat "${logfp}"`