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authorXiao Pan <gky44px1999@gmail.com>2024-02-23 03:08:52 -0800
committerXiao Pan <gky44px1999@gmail.com>2024-02-23 03:08:52 -0800
commitdd78faaf40862bd1552ec36c41374b527f747284 (patch)
treeb914f890c545db7168984f7bcc15cfc7c976c1d3 /sh/backlight
parentc808bb6ee7f77f077308a1f06f63dbee6a928f6d (diff)
Reorganize shell scripts into sh dir, consider in the future fsh will have different kinds of files
Diffstat (limited to 'sh/backlight')
-rwxr-xr-xsh/backlight23
1 files changed, 23 insertions, 0 deletions
diff --git a/sh/backlight b/sh/backlight
new file mode 100755
index 0000000..3de87f5
--- /dev/null
+++ b/sh/backlight
@@ -0,0 +1,23 @@
+#!/bin/sh
+
+brightness=$(cat /sys/class/backlight/intel_backlight/brightness)
+max_brightness=$(cat /sys/class/backlight/intel_backlight/max_brightness)
+step=$((max_brightness/20))
+
+case "$1" in
+ '-u')
+ case "$brightness" in
+ 0) echo 1;;
+ 1) echo "$step";;
+ *) echo "$((brightness+step))";;
+ esac
+ ;;
+ '-d')
+ case "$brightness" in
+ 1) echo 0;;
+ "$step") echo 1;;
+ *) echo "$((brightness-step))";;
+ esac
+ ;;
+ *) exit 1;;
+esac > /sys/class/backlight/intel_backlight/brightness