tmux script to create single local tmux session attached to many remote tmux sessions

tmuxed_pipelines.sh

#!/bin/sh

#Yes, there is no six
hosts=(pipe1 pipe2 pipe3 pipe4 pipe5 pipe7 pipe8 pipe9)
names=(pipe1 pipe2 pipe3 pipe4 pipe5 pipe7 pipe8 pipe9)
sessions=(1 2 3 4 5 7 8 9)

tmux new-session -d -s pipelines

i=0
while [ $i -lt $((${#hosts[@]})) ];
do
  #FIXME: check to see if window exists to avoid tmux warnings when 'reattaching'
  tmux new-window -t pipelines:${sessions[$i]} \
                  -n ${names[$i]} \
                  "ssh someuser@${hosts[$i]}.somewhere.com  -t 'tmux attach-session -t ${USER}-remote || tmux new-session -s ${USER}-remote'"
  i=$((i+1))
done

tmux kill-window -t pipelines:0

tmux attach -t pipelines