notification about brightness level on change

1 files changed, 9 insertions, 8 deletions

diff --git a/sbc b/sbc
index 4f17d03..d2c09f1 100755
--- a/sbc
+++ b/sbc
@@ -7,24 +7,25 @@
 # Honestly, brightnessctl is bloat.
 # ==================================
 device="$(find /sys/class/backlight/*)"
-fmax="$device/max_brightness"
-fnow="$device/brightness"
-m="$(cat "$fmax")"
-c="$(cat "$fnow")"
+fmax="${device}/max_brightness"
+fcur="${device}/brightness"
+m="$(cat "${fmax}")"
+c="$(cat "${fcur}")"
 if [ $# -gt 1 ];
 then
 	case "$1" in
-		"-s") printf "%d" $(($2 * m / 100)) > "$fnow";;
-		"-i") printf "%d" $((c + $2 * m / 100)) > "$fnow";;
-		"-d") printf "%d" $((c - $2 * m / 100)) > "$fnow";;
+		"-s") printf "%d" "$(($2 * m / 100))" > "${fcur}" ;;
+		"-i") printf "%d" "$((c + $2 * m / 100))" > "${fcur}" ;;
+		"-d") printf "%d" "$((c - $2 * m / 100))" > "${fcur}" ;;
 	esac
+	notify-send "Brigthness Info" "Current Brightness: $((c * 100 / m))%"
 else
 	case "$1" in
 		"-v")
 			printf "brl v0.0.1\n"
 			printf "A simple brightness control program\n"
 		;;
-		"-h")
+		"-h"|"--help")
 			printf "brl [options] [value]\n"
 			printf " -s   set brightness %%\n"
 			printf " -i   increase brightness %%\n"