Programming :: Script To Sync Producer Consumer Application?

I have a producer and consumer application, each can take parameter and run for 10 minutes.

I want to write a script that allow me to pass in different paramters and save the results for later. However, I cannot come up with a write script.

My scenario is that the consumer has to start first always. Once the first set of parameter finish. the producer will not start until the consumer for the next parameter set starts I am thinking something like this

Consumer:

for ($i=1;$i<10;$i++)
startconsumer.sh -interval $i
sleep 1
end
Producer:
for ($i=1;$i<10;$i++)
startproducer.sh -interval $i
# wait till consumer is done
sleep 1;
end

I am trying to go with an approach that checking if the consumer/producer finish by checking a log file, but it does not seem to work.