sample waiting script, waits for 60 minutes and fails after that.

sample script

okFile=okay.ok

bFlagFound=false

waitCounter=0

while [ "$bFlagFound" = "false" ]; do

        if [ -e $okFile ]; then

                bFlagFound=true

        else

                sleep 60

                waitCounter=$(($waitCounter + 1))

                if [ $waitCounter -gt 60 ]; then

                        echo "$okFile flag not found, after waiting 60 minutes"

                        exit 1

                fi

        fi

done

echo "task 1"
echo "task 2"