Created
March 25, 2017 02:00
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Adding the above rm command to the end of the script will result in cleaning up the PID file after a successful execution. If the script exits any other places this step should be included before the exit command. | |
Summary of Changes | |
Now that we have made our changes let's take another look at this script. | |
#!/bin/bash | |
PIDFILE=/home/vagrant/forever.pid | |
if [ -f $PIDFILE ] | |
then | |
PID=$(cat $PIDFILE) | |
ps -p $PID > /dev/null 2>&1 | |
if [ $? -eq 0 ] | |
then | |
echo "Process already running" | |
exit 1 | |
else | |
## Process not found assume not running | |
echo $$ > $PIDFILE | |
if [ $? -ne 0 ] | |
then | |
echo "Could not create PID file" | |
exit 1 | |
fi | |
fi | |
else | |
echo $$ > $PIDFILE | |
if [ $? -ne 0 ] | |
then | |
echo "Could not create PID file" | |
exit 1 | |
fi | |
fi | |
sleep 25d | |
rm $PIDFILE |
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