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| author | EuAndreh <eu@euandre.org> | 2022-05-12 09:05:43 -0300 |
|---|---|---|
| committer | EuAndreh <eu@euandre.org> | 2022-05-12 09:05:43 -0300 |
| commit | 6f76dc46dc74df3f0de2eca433c13765514ec06d (patch) | |
| tree | dd4e1265b14683b40af75dc7b64aadc210faf7ca | |
| parent | .local/bin/print: Add working version (diff) | |
| download | dotfiles-6f76dc46dc74df3f0de2eca433c13765514ec06d.tar.gz dotfiles-6f76dc46dc74df3f0de2eca433c13765514ec06d.tar.xz | |
.local/bin/brightness: Add working version
| -rwxr-xr-x | .local/bin/brightness | 13 |
1 files changed, 13 insertions, 0 deletions
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" |