Initial commit. Added help

Author: J0sueTM

src/llight.sh

@@ -0,0 +1,30 @@
+#! /bin/bash
+
+echo "llight 1.0 2020"
+
+target_folder=/sys/class/backlight/intel_backlight/
+current_brightness=$(cat ${target_folder}/brightness)
+max_brightness=$(cat ${target_folder}/max_brightness)
+
+# functions
+usage()
+{
+    echo "$(basename $0) -[h | v | g | s | i | d]"
+    echo "  -h  shows this help and exit"
+    echo "  -v  shows version and exit"
+    echo "  -g  shows current brightness and exit"
+    echo "  -s  changes brightness by given value. Must be between 1 and ${max_brightness}"
+    echo "  -i  increases brightness by given value"
+    echo "  -d  decreases brightness by given value"
+
+    exit 1
+}
+
+if [ $# -eq 0 ]; then
+    usage
+fi
+
+# truncate -s 0 ${target_folder}/brightness
+# echo ${current_brightness} > ${target_folder}/brightness
+
+exit 0