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Added pid to kill running version

master
Markus Koch 6 years ago
parent
commit
049a469659
  1. 24
      updateWallpaper.sh

24
updateWallpaper.sh

@ -5,6 +5,7 @@ picdir=`realpath $(dirname "${BASH_SOURCE[0]}")`
del="30m"
sud=0
lockfile=/tmp/updateWallpaper.lock
kill_running=0
for i in "$@"; do
case $i in
@ -20,12 +21,16 @@ case $i in
tags="${i#*=}"
shift
;;
-k|--kill*)
kill_running=1
;;
-h|--help*)
echo "usage: $0 <options>"
echo "Options:"
echo " -s --start-up-delay=del Set time between start and first image request."
echo " -d --delay=del Set delay between image requests."
echo " -t --tags=tags The actual search string. Special fields allowed."
echo " -k --kill Kill a previously running instance of the script."
echo "Notes:"
echo " All times need to be formatted for the sleep command."
exit 1
@ -37,13 +42,20 @@ esac
done
if [ -e "$lockfile" ]; then
echo "Error: Lock file $lockfile exists!"
echo " This most likely means another instance of the script is already running."
echo " Kill it and potentially delete the lock file after that using:"
echo " rm $lockfile"
exit 2;
kill -0 $(cat $lockfile)
if [ $? -eq 0 ]; then
if [ $kill_running -eq 0 ]; then
echo "Error: Lock file $lockfile exists!"
echo " This most likely means another instance of the script is already running."
echo " Use -k to kill the running process."
exit 2;
else
echo "Warning: Killing old process..."
kill $(cat $lockfile)
fi
fi
fi
touch "$lockfile"
echo $$ > "$lockfile"
if [ "$sud" != "0" ]; then
sleep "$sud";

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