This is a collection of dotfiles and scripts for my bspwm setup
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#!/bin/sh
# Control the display brightness
# Depends: brightnessctl
help() {
B=$(tput bold)
U=$(tput smul)
N=$(tput sgr0)
cat << EOF
${B}NAME${N}
brictl.sh - control the display brightness
${B}SYNOPSIS${N}
${B}brictl.sh${N} [${U}OPTION${N}] [${U}COMMAND${N}] [<${U}ARG${N}>]
${B}DESCRIPTION${N}
${B}brictl.sh${N} uses brightnessctl to change the brightness of the system.
Commands can be truncated, i.e. "${B}brictl.sh s${N}" for "${B}brictl.sh set${N}"
Arguments need to be of numeric value.
${B}OPTIONS${N}
${B}-h${N} Display usage message and exit.
${B}COMMANDS${N}
${B}i${N} <${U}AMOUNT${N}>, ${B}inc${N} <${U}AMOUNT${N}>
Increase brightness by ${U}AMOUNT${N}, default of 5.
${B}d${N} <${U}AMOUNT${N}>, ${B}dec${N} <${U}AMOUNT${N}>
Decrease brightness by ${U}AMOUNT${N}, default of 5.
${B}s${N} <${U}LEVEL${N}>, ${B}set${N} <${U}LEVEL${N}>
Set brightness to ${U}LEVEL${N}, default of 30.
${B}g${N}, ${B}get${N}
Get brightness level.
EOF
}
# Exit if no option is provided
[ "$#" -eq 0 ] && help && exit 1
SCRIPT="$(basename "$0")"
# Option handling
while getopts ':h?' opt; do
case $opt in
h)
help
exit 0
;;
\?)
echo "$SCRIPT: invalid option '$OPTARG'"
echo "Try '$SCRIPT -h' for more information."
exit 1
;;
esac
done
# Command handling
shift $((OPTIND - 1))
case "$1" in
i*)
NUM=${2:-5}
brightnessctl -q s +"$NUM"%
;;
d*)
NUM=${2:-5}
brightnessctl -q s "$NUM"%-
;;
s*)
NUM=${2:-30}
brightnessctl -q s "$NUM"%
;;
g*)
brightnessctl | awk '/%/ {print substr($4, 2, length($4) - 3)}'
;;
*)
echo "$SCRIPT: invalid command '$1'"
echo "Try '$SCRIPT -h' for more information."
exit 1
;;
esac