Opens tmux split for each running docker comtainer and executes command

docker-exec-all.sh

#!/bin/bash
#
# Opens tmux split for each running docker comtainer and executes command:
# Example:
#	docker-exec-all.sh top
#
tmux set -g pane-border-status top
for line in `docker ps --format '{{.ID}},{{.Names}}'`
do
	IFS=,;
	read -r -a arr <<< "$line";
	tmux split-window -h "printf '\033]2;%s\033\\' '${arr[1]}' && docker exec -it ${arr[0]} $1";
done
sleep 1
tmux select-layout even-horizontal