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Use at instead of cron

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This commit is contained in:
Sayantan Santra 2022-07-10 21:56:21 -05:00
parent 8b3eb8aa1d
commit 4b59864dde
1 changed files with 7 additions and 19 deletions
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26
brightness-by-daylight.sh
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@ -9,18 +9,13 @@
# ~/.config/latlong.toml
# latitude="0.000000N"
# longitude="0.000000E"
# scriptdir=<location-of-this-script>
# Add the following to crontab to make it run automatically and properly
# @reboot <location-of-this-script> crontab
# 0 0,12 * * * <location-of-this-script> crontab
# Just run this script one manually to set it up to run perpetually (hopefully) using 'at'
# (Some distros don't come with 'at' preinstalled, so you might need to install 'at' and enable the 'atd' service.)
# It might also be a good idea to add this script's location to your DE's autostart list, or to '.profile' so that it launches on system login
# To run this script whenever and HDMI cable is connected, copy this file to /usr/local/bin/ and run 'chmod +x /usr/local/bin/brightness-by-daylight.sh'
# Then create the file /etc/udev/rules.d/89-hdmi_brightness.rules with the following content :
# KERNEL=="card0", SUBSYSTEM=="drm", ACTION=="add", RUN+="/usr/local/bin/brightness-by-daylight.sh"
# Then run 'udevadm control --reload-rules' and reboot
# (Sometimes I forget to turn on the monitor when I start my PC, so this is better than having a crontab)
confdir="/home/sintan/.config"
@ -35,17 +30,10 @@ fi
# otherwise adjust brightness immediately
if [ "$1" == "crontab" ]; then
if test -f /tmp/brightness-crontab; then
exit
if [ $(sunwait poll $latitude $longitude) == "DAY" ]; then
at -m $(sunwait report 35.221050N 97.445938W | grep "Daylight:" | awk '{print $6}') <<< "ddcutil setvcp 10 40 && $scriptdir/brightness-by-daylight.sh crontab"
else
if [ $(sunwait poll $latitude $longitude) == "DAY" ]; then
echo "Waiting for sunset at" $(sunwait report 35.221050N 97.445938W | grep "Daylight:" | awk '{print $6}') > /tmp/brightness-crontab
sunwait wait set offset 10 $latitude $longitude && ddcutil setvcp 10 40
else
echo "Waiting for sunrise at" $(sunwait report 35.221050N 97.445938W | grep "Daylight:" | awk '{print $4}') > /tmp/brightness-crontab
sunwait wait rise offset 10 $latitude $longitude && ddcutil setvcp 10 70
fi
rm /tmp/brightness-crontab
at -m $(sunwait report 35.221050N 97.445938W | grep "Daylight:" | awk '{print $4}') <<< "ddcutil setvcp 10 70 && $scriptdir/brightness-by-daylight.sh crontab"
fi
else
if [ $(sunwait poll $latitude $longitude) == "DAY" ]; then