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-rwxr-xr-xscripts/slight54
1 files changed, 15 insertions, 39 deletions
diff --git a/scripts/slight b/scripts/slight
index 7f1b03a..0f8cba0 100755
--- a/scripts/slight
+++ b/scripts/slight
@@ -1,5 +1,7 @@
#!/bin/sh
+. slib
+
help() {
cat << EOF
${0}: Wrapper script to change backlight
@@ -13,61 +15,35 @@ options:
NOTE: Script interprets values as percentages
EOF
-}
-err() {
- for line in "${@}"; do
- echo "${line}" >&2
- done
- exit 1
+exit 0
}
-run() {
- if ! ${1} > /dev/null 2>&1; then
- err "${2}"
- fi
-
- [ -n "${3}" ] && echo "${3}"
+check_program "brightnessctl"
- slreload || echo "Warning: Failed to reload slstatus" >&2
+[ ${#} != 1 ] && [ ${#} != 2 ] && invalid_use
- exit 0
-}
+while getopts "i:d:s:ph" option; do
+ case "${option}" in
+ i) run --reload-status "brightnessctl set +${OPTARG}%" ;;
-if ! command -v brightnessctl > /dev/null 2>&1; then
- err "${0}: brightnessctl must be installed"
-fi
+ d) run --reload-status "brightnessctl set ${OPTARG}-%" ;;
-if [ ${#} != 1 ] && [ ${#} != 2 ]; then
- err "${0}: Invalid usage" "Try '${0} -h' for help."
-fi
+ s) run --reload-status "brightnessctl set ${OPTARG}%" ;;
-while getopts "i:d:s:ph" option; do
- case "${option}" in
- i)
- run "brightnessctl set +${OPTARG}%" \
- "${0}: Failed to increase brightness"
- ;;
- d)
- run "brightnessctl set ${OPTARG}-%" \
- "${0}: Failed to decrease brightness"
- ;;
- s)
- run "brightnessctl set ${OPTARG}%" \
- "${0}: Failed to set brightness"
- ;;
p)
- if ! echo $(( (`brightnessctl g` * 100) / `brightnessctl m` )); then
+ if ! echo $(( ($(brightnessctl g) * 100) / $(brightnessctl m) )); then
err "Failed to get current brightness"
else
exit 0
fi
;;
- h) help; exit 0 ;;
+ h) help ;;
- *) err "Try '${0} -h' for help." ;;
+ *) invalid_use -h ;;
esac
done
-err "${0}: Invalid usage" "Try '${0} -h' for help."
+# Unreachable
+invalid_use