runlog.sh

while true ; do ./sample1.sh & sleep 5; done

sample1.sh

#!/bin/bash

sudo docker cp PGW1:/var/log/grp0.log ~/data1.log
sudo docker cp PGW2:var/log/grp0.log ~/data2.log
cat ~/data1.log ~/data2.log > ~/publicGW.log
sudo rm data1.log
sudo rm data2.log
sudo docker cp IGW1:/var/log/grp0.log ~/data3.log
sudo docker cp IGW2:/var/log/grp0.log ~/data4.log
cat ~/data3.log ~/data4.log > ~/intGW.log
sudo rm data3.log
sudo rm data4.log