docker ps continuously

docker_ps.sh

#!/bin/bash

while [ 2 -gt 1 ]
do
declare -a containerID

# Load file into array.
~/cf-docker/cf-docker/bin/docker -H 172.17.42.1:5555 ps | awk '{print $1}' > abc.txt
let i=0
while IFS=$'\n' read -r line_data; do
    containerID[i]="${line_data}"
    ((++i))
done < abc.txt

# Explicitly report array content.
let i=1
echo > /usr/share/nginx/html/index.html
while (( ${#containerID[@]} > i )); do
    echo "CONTAINER $i:" >> /usr/share/nginx/html/index.html
    conID=${containerID[i++]}
    echo "ID: $conID" >> /usr/share/nginx/html/index.html
    echo $(~/cf-docker/cf-docker/bin/docker -H 172.17.42.1:5555 inspect $conID | grep IPAddress) >> /usr/share/nginx/html/index.html
    echo "<br>" >> /usr/share/nginx/html/index.html
done

unset containerID
sleep 5
done