- #!/bin/bash
- # To the end of /etc/sudoers, add
- # ALL ALL = (ALL) NOPASSWD: /usr/bin/tee /sys/class/leds/tpacpi\:\:thinklight/brightness
- led="/sys/class/leds/tpacpi::thinklight/brightness"
- brightness=0
- if grep -q 0 "$led"; then
- brightness=1
- fi
- echo "$brightness" | sudo /usr/bin/tee "$led"