Displays docker ps list with additional column of IP address.

docker-psi

#!/bin/bash
# Displays docker ps list with additional column of IP address.
(
# take default docker ps output
docker ps "$@" | while read -r line; do
        # replace separators with | to use later with `column`
        echo -n "$line" | sed 's/ \{2,\}/|/g' | tr '\t' '|';
        containerId=$(echo $line | column | awk '{print $1}')
        # header
        if [ $containerId == 'CONTAINER' ]; then
                echo -e "|IP ADDRESS"
        else
                # take IP from docker inpect add to the line end
            echo -e -n '|'
                echo $containerId | xargs --no-run-if-empty docker inspect --format='{{range $net, $conf := .NetworkSettings.Networks}}{{$net}}:{{$conf.IPAddress}} {{end}}';
        fi
done
) | column -t -s '|'

Working for me on ubuntu 16.04. I anyone has any ideas, how to optimize it - I am all ears.