flash() { pattern="PatternCommunicationIM" dbus-send --system --type=method_call --dest=com.nokia.mce /com/nokia/mce/request com.nokia.mce.request.req_led_pattern_activate "string:$pattern" sleep "$1" dbus-send --system --type=method_call --dest=com.nokia.mce /com/nokia/mce/request com.nokia.mce.request.req_led_pattern_deactivate "string:$pattern" } flash 2 echo MyDocs > /tmp/exclude tar c -X /tmp/exclude -f MyDocs/backup.tar . 2>&1 | tee MyDocs/backup.txt while true ; do flash 100 done