From 6f76dc46dc74df3f0de2eca433c13765514ec06d Mon Sep 17 00:00:00 2001 From: EuAndreh Date: Thu, 12 May 2022 09:05:43 -0300 Subject: .local/bin/brightness: Add working version --- .local/bin/brightness | 13 +++++++++++++ 1 file changed, 13 insertions(+) create mode 100755 .local/bin/brightness diff --git a/.local/bin/brightness b/.local/bin/brightness new file mode 100755 index 0000000..8e178ad --- /dev/null +++ b/.local/bin/brightness @@ -0,0 +1,13 @@ +#!/bin/sh +set -eu + +BRIGHTNESS_DIFF="$1" + +DEVICE="$(cat "$XDG_CONFIG_HOME"/backlight-device)" +HANDLER="/sys/class/backlight/$DEVICE" + +OLD_BRIGHTNESS="$(cat "$HANDLER"/brightness)" +MAX_BRIGHTNESS="$(cat "$HANDLER"/max_brightness)" +SUM=$((OLD_BRIGHTNESS + BRIGHTNESS_DIFF)) +NEW_BRIGHTNESS="$(clamp -- "$SUM" 0 "$MAX_BRIGHTNESS")" +echo "$NEW_BRIGHTNESS" > "$HANDLER"/brightness || sudo chmod 666 "$HANDLER/brightness" -- cgit v1.2.3