Created
October 27, 2015 05:55
-
-
Save darvin/b3c53af7f28d674a1777 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| #!/bin/bash | |
| # AMOUNT_OF_DISPLAYS=`ddcctl -h 2>&1 | perl -ne 'print "$1\n" if m/found (\d+) displays/;'` | |
| CURRENT_BR_FILE=/tmp/.last.brightness | |
| MAX_BR=100 | |
| MIN_BR=0 | |
| if [ -f "$CURRENT_BR_FILE" ] | |
| then | |
| CURRENT_BR=`cat $CURRENT_BR_FILE` | |
| else | |
| CURRENT_BR="35" | |
| fi | |
| BR_INCREMENT=5 | |
| case "$1" in | |
| "up" ) | |
| CURRENT_BR=$(($CURRENT_BR+$BR_INCREMENT)) | |
| ;; | |
| "down" ) | |
| CURRENT_BR=$(($CURRENT_BR-$BR_INCREMENT)) | |
| ;; | |
| *) echo >&2 "Invalid option: $1"; exit 1;; | |
| esac | |
| if [ "$CURRENT_BR" -gt "$MAX_BR" ] | |
| then | |
| CURRENT_BR=$MAX_BR | |
| fi | |
| if [ "$CURRENT_BR" -lt "$MIN_BR" ] | |
| then | |
| CURRENT_BR=$MIN_BR | |
| fi | |
| echo "New brightness is $CURRENT_BR" | |
| echo "$CURRENT_BR" > $CURRENT_BR_FILE | |
| /usr/local/bin/ddcctl -d 1 -b $CURRENT_BR |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment