added brightness wrapper

1 files changed, 19 insertions, 0 deletions

diff --git a/bin/.local/bin/light b/bin/.local/bin/light
new file mode 100755
index 0000000..b34150f
--- /dev/null
+++ b/bin/.local/bin/light
@@ -0,0 +1,19 @@
+#!/bin/sh
+# brightness wrapper
+
+case "$1" in
+    u*)
+        for f in /sys/class/backlight/*; do
+            echo $(($(<$f/brightness)+5*$(<$f/max_brightness)/100)) > $f/brightness;
+        done
+        ;;
+    d*)
+        for f in /sys/class/backlight/*; do
+            echo $(($(<$f/brightness)-5*$(<$f/max_brightness)/100)) > $f/brightness;
+        done
+        ;;
+    *)
+        echo "choose u or d"
+        ;;
+esac
+