markus/konachan-wallpaper
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Added a lockfile

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This commit is contained in:
Markus Koch 2016-09-13 19:27:07 +02:00
parent 0e7c9f71e2
commit 9ed6f63962
1 changed files with 10 additions and 0 deletions
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10
updateWallpaper.sh
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@ -4,6 +4,7 @@ tags="scenic order:random width:1600"
picdir=`realpath $(dirname "${BASH_SOURCE[0]}")` picdir=`realpath $(dirname "${BASH_SOURCE[0]}")`
del="30m" del="30m"
sud=0 sud=0
lockfile=/tmp/updateWallpaper.lock
for i in "$@"; do for i in "$@"; do
case $i in case $i in
@ -35,6 +36,15 @@ case $i in
esac esac
done done
if [ -e "$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 $lockfile"
exit 2;
fi
touch "$lockfile"
if [ "$sud" != "0" ]; then if [ "$sud" != "0" ]; then
sleep "$sud"; sleep "$sud";
fi fi