Improve overview and experiment naming

[khatus.git] / x2 / src / bash / exe / khatus_sensor_screen_brightness.sh

diff --git a/x2/src/bash/exe/khatus_sensor_screen_brightness.sh b/x2/src/bash/exe/khatus_sensor_screen_brightness.sh
new file mode 100644 (file)
index 0000000..9b075d3
--- /dev/null
+++ b/x2/src/bash/exe/khatus_sensor_screen_brightness.sh
@@ -0,0 +1,18 @@
+#! /bin/sh
+
+set -e
+
+screen_brightness_device_path="$1"
+
+awk '
+    BEGIN {
+        OFS = msg_fs ? msg_fs : "|"
+        Kfs = key_fs ? key_fs : ":"
+    }
+
+    FILENAME ~ "/max_brightness$" {max = $1; next}
+    FILENAME ~     "/brightness$" {cur = $1; next}
+    END                           {print("percentage", (cur / max) * 100)}
+' \
+"$screen_brightness_device_path/max_brightness" \
+"$screen_brightness_device_path/brightness"