help: Configure log file size and rotation characteristics
# need mandatory files & size
update:expression: "sudo sh -c \"/opt/vyatta/sbin/vyatta_update_logrotate.pl \
'$VAR(files/@)' '$VAR(size/@)' 1\" "
delete:expression: "sudo sh -c \"/opt/vyatta/sbin/vyatta_update_logrotate.pl \
'$VAR(files/@)' '$VAR(size/@)' 0\" "