bash/exe/khatus_sensor_screen_brightness.sh

   1 #! /bin/sh
   2
   3 set -e
   4
   5 screen_brightness_device_path="$1"
   6
   7 awk '
   8     BEGIN {
   9         OFS = msg_fs ? msg_fs : "|"
  10         Kfs = key_fs ? key_fs : ":"
  11     }
  12
  13     FILENAME ~ "/max_brightness$" {max = $1; next}
  14     FILENAME ~     "/brightness$" {cur = $1; next}
  15     END                           {print("percentage", (cur / max) * 100)}
  16 ' \
  17 "$screen_brightness_device_path/max_brightness" \
  18 "$screen_brightness_device_path/brightness"