PROG="setleds" kbset() { if [ $# -ne 2 ]; then return; fi param=$1 case $2 in on) $PROG +$param ;; off) $PROG -$param ;; esac } keyb_sequence() { kbset num off; kbset caps off; kbset scroll off; sleep 1 kbset num on;kbset scroll on;sleep 1 kbset num off;kbset scroll off;kbset caps on;sleep 1 kbset caps off; kbset num on; sleep 1; kbset num off; kbset caps on; sleep 1; kbset caps off; kbset scroll on; sleep 1; kbset caps on; kbset scroll off; sleep 1; kbset num on; kbset caps off; sleep 1; } while [ true ]; do keyb_sequence; done