On Tue, 2006-08-29 at 15:25 -0400, mike.redan@xxxxxxx wrote: > Something like this works alright: > > > # Check if process is running already > SCRIPT_NAME=do_stuff > pidfile=/tmp/$SCRIPT_NAME.pid > > > if [ -f $pidfile ]; then > runpid=`cat $pidfile` > if ps -p $runpid; then > echo "$SCRIPT_NAME is already running ... stopping" > exit 1 > else > echo "$SCRIPT_NAME pid found but process dead, cleaning up and > starting ..." > rm -f $pidfile > fi > else > echo "No $SCRIPT_NAME Process Detected ... starting" > fi > > echo $$ > $pidfile > Maybe I am being dense here ... BUT ... Doesn't the "echo $$" only happen AFTER the else process is finished ??? if you make the "else" process be the rsync script, then it will not create $pidfile until after the rsync is done ... which does not help you. if you leave the else process as is and kick off the rsync after the echo $$ then it is not the same PID that you wrote to the $pidfile and you will start more than one rsync process ... as the PID that you wrote to $pidfile as the echo process ... that already finished ... or I am mistaken?
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