10 lines
326 B
Bash
Executable File
10 lines
326 B
Bash
Executable File
#!/bin/sh
|
|
|
|
[ -d '/var/cache/backlight/' ] || mkdir -p '/var/cache/backlight'
|
|
[ -w '/var/cache/backlight/' ] || chmod 755 '/var/cache/backlight/'
|
|
|
|
# Save current brightness of each card.
|
|
for card in `find /sys/class/backlight/ -type l`; do
|
|
cp "$card/brightness" "/var/cache/backlight/$(basename $card)-brightness-old"
|
|
done
|